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• How to configure QoS on home router

  - by Joril

  I have a USR9105 router and I'd like to configure its QoS to prioritize web traffic (browser) over everything else (e.g. torrents). I'm confused by its interface though: "IP precedence" allows selecting a number from 0 to 7, while "IP type of service" can be one of "Normal Service", "Minimize cost", "Maximize reliability", "Maximize throughput" and "Minimize delay". How should I set it up? Is QoS the wrong solution to avoiding torrents slowing down browsing to a crawl? Should I set up a proxy and traffic shaping instead?

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• Disable MathML output of eLyXer

  - by Gryllida

  eLyXer is a standalone LyX to HTML converter. In the resulting file, equations are formatted as MathML, and the file itself starts with an XML tag. This causes two problems: LibreOffice does not read the XML file (it can read HTML files, but not XHTML). I am unable to copy and paste the equations into a document editor such as LibreOffice with the goal of subsequent conversion into .doc, because .doc files do not support MathML. The eLyXer help page mentions an option to only use simple math, but there is no option to set math equations to output as images. And I already set Document Settings Output Math equations Format: images in LyX, which presumably is saved in the lyx document somewhere. A web search did not come up with any solutions.

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• AWS Elastic load balancer doesn't decrease instances from Alarm Trigger

  - by jchysk

  I have a load balancer that I created an auto-scaling-group and launch-config for. I created the auto-scaling-group with a min-size of 1 and max size of 20. I have a scaledown policy: as-put-scaling-policy SBMScaleDownPolicy --auto-scaling-group SBMAutoScaleGroup --adjustment=-1 --type ChangeInCapacity --cooldown 300 Then I set up an alarm: mon-put-metric-alarm SBMLowCPUAlarm --comparison-operator LessThanThreshold --evaluation-periods 1 --metric-name CPUUtilization --namespace "AWS/EC2" --period 600 --statistic Average --threshold 35 --alarm-actions arn:aws:autoscaling:us-east-1:policystuffhere:autoScalingGroupName/SBMAutoScaleGroup:policyName/SBMScaleDownPolicy --dimensions "AutoScalingGroupName=SBMAutoScaleGroup" When average CPU usage over 10 minutes is under 35, in CloudFront the alarm shows up as "In Alarm State" but doesn't decrease the number of instances. Also, if there's only one instance running it'll spin up another to 2 even if a scale up alarm isn't hit. It seems like the default value is just set to 2 somehow. How can I change this?

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• Folder keeps changing back to read-only. What permissions setup causes this in Windows?

  - by farmerbuzz

  I think I'm going crazy. Every time I create a folder it automatically is set to readonly, but I can still then rename the folder or add folders to it. If I attempt to uncheck the readonly flag it becomes checked again when I next open the folder properties. What the heck? Could my IT dept really have set up a policy like this somehow? If so, how? Seems crazy that Windows would even do this -- no errors when I uncheck read-only and hit ok but the change fails.

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• Setting Up Git Repository on Remote Windows Server?

  - by Goober

  I have a windows server which I can access locally or remotely over the internet through remote desktop connection, etc. I want to set up a git repository (something similar to "trunk" in subversion), that can contain a series of repositories for multiple projects. Does anyone know how I go about doing this? I want to do it using a GUI if possible. I have followed this Git Bash Tutorial but it's very long winded and not exactly what I'm after. I'm using a Git client called MSYSGIT. Using this I just want to be able to set up remote repositories and start committing source code. Any help would be greatly appreciated!

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• CNAME point subdomain to another domain

  - by mac

  I know this has been asked before in various forms, but I've tried all the suggestions and had no luck (or maybe skills). I am trying to point a subdomain (mail.cloversalon.com) to Rackspace's hosted Webmail service for a client. My understanding is I should be able to set up cname for the subdomain and point it to rackspace's hostname: apps.rackspace.com I have set up the following cnames: www.mail IN CNAME apps.rackspace.com autodiscover IN CNAME autodiscover.emailsrvr.com mail IN CNAME apps.rackspace.com I have tried doing dig mail.cloversalon.com and nslookup but both report that mail.cloversalon.com is a nonexistent domain. I have restarted the name server numerous times. I'm sure I must be missing something silly. Thanks for any help! Cheers

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• Tmux causes Emacs glitch

  - by killy9999

  Recently I started using Tmux, but I noticed that it causes a strange Emacs glitch. When I open source code for elisp or haskell, the comments aren't highlighted. Only the comment sign is (; in case of elisp, -- in case of haskell). The rest of the commented line is in normal colour. When I run Emacs outside of Tmux everything works as expected - the whole commented line is highlighted in a colour denoting a comment. Any ideas why this is happening? SOLUTION: Based on Stefan's comment I added this to my .emacs file: (custom-set-variables (custom-set-faces '(font-lock-comment-face ((((class color) (min-colors 8) (background dark)) (:foreground "red")))))) Now the comments are displayed in red, just like comment delimiters.

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• Ubuntu: Multiple NICs, one used only for Wake-On-LAN

  - by jcwx86

  This is similar to some other questions, but I have a specific need which is not covered in the other questions. I have an Ubuntu server (11.10) with two NICs. One is built into the motherboard and the other is a PCI express card. I want to have my server connected to the internet via my NAT router and also have it able to wake from suspend using a Magic Packet (henceforth referred to as Wake-On-LAN, WOL). I can't do this with just one of the NICs because each has an issue - the built-in NIC will crash the system if it is placed under heavy load (typically downloading data), whilst the PCI express NIC will crash the system if it is used for WOL. I have spent some time investigating these individual problems, to no avail. My plan is thus: use the built-in NIC solely for WOL, and use the PCI express card for all other network communication except WOL. Since I send the WOL Magic Packet to a specific MAC address, there is no danger of hitting the wrong NIC, but there is a danger of using the built-in NIC for general network access, overloading it and crashing the system. Both NICs are wired to the same LAN with address space 192.168.0.0/24. The built-in ethernet card is set to have interface name eth1 and the PCI express card is eth0 in Ubuntu's udev persistent rules (so they stay the same upon reboot). I have been trying to set this up with the /etc/network/interfaces file. Here is where I am currently: auto lo iface lo inet loopback auto eth0 iface eth0 inet static address 192.168.0.3 netmask 255.255.255.0 network 192.168.0.0 broadcast 192.168.0.255 gateway 192.168.0.1 auto eth1 iface eth1 inet static address 192.168.0.254 netmask 255.255.255.0 I think by not specifying a gateway for eth1, I prevent it being used for outgoing requests. I don't mind if it can be reached on 192.168.0.254 on the LAN, i.e. via SSH -- it's IP is irrelevant to WOL, which is based on MAC addresses -- I just don't want it to be used to access internet resources. My kernel routing table (from route -n) is Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.0.1 0.0.0.0 UG 100 0 0 eth0 169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 eth0 192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1 My question is this: Is this sufficient for what I want to achieve? My research has thrown up the idea of using static routing to specify that eth1 should only be used for WOL on the local network, but I'm not sure this is necessary. I have been monitoring the activity of the interfaces using iptraf and it seems like eth0 takes the vast majority of the packets, though I am not sure that this will be consistent based on my configuration. Given that if I mess up the configuration, my system will likely crash, it is important to me to have this set up correctly!

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• CPU I/O communication

  - by b-gen-jack-o-neill

  Hi, I know there is this question already discussed, but I still don´t understand something, so please just help me clarify it. What I understand there is 2 way to do I/O aka communicate from CPU with other HW. One is to use in and out instructions, and second is the memory mapped. But what I don´t actually understand is, is IN and OUT instructions are used, you define source port. But what is this port? I mean, is it different set of pins on CPU or what? And, to what is that port connected? And for the memory mapped, I miss just a tiny detail. Wheather memory mapped I/O must be first set by IN and OUT instructions, or does the device actually somehow itself connects to the RAM and reads it? Thanks.

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• Routing to various node.js servers on same machine

  - by Dtang

  I'd like to set up multiple node.js servers on the same machine (but listening on different ports) for different projects (so I can pull any down to edit code without affecting the others). However I want to be able to access these web apps from a browser without typing in the port number, and instead map different urls to different ports: e.g. 45.23.12.01/app - 45.23.12.01:8001. I've considered using node-http-proxy for this, but it doesn't yet support SSL. My hunch is that nginx might be the most suitable. I've never set up nginx before - what configuration do I need to do? The examples of config files I've seen only deal with subdomains, which I don't have. Alternatively, is there a better (stable, hassle-free) way of hosting multiple apps under the same IP address?

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• TCP Tweaking options and Results: Any suggestions?

  - by krishnakumar

  I first tried with the default windows XP TCP option(It doesn't have TCPWindowSize option and TCP1323 in its Registry setting). I dynamically set those options using TCP optimizer. Here I list out the result with and without TCP Tweaking option. I see no major improvements in TCP after increasing window size optimally too. What value should I set to increase the performance? Results: Without any window size and MTU setting from server to client (receiving) TCPWindowSize : MTU : TTL: Size:586 MB total duration : 03:47 With window size extension from server to client (receiving) Bandwidth :100 Mbps Latency: 100ms BDP :1250000 TCPWindowSize : 1250000 MTU :1500 TTL:128 Size:586MB total duration : 03:44 With window size extension from server to client (receiving) TCPWindowSize :64240 MTU :1500 TTL :112 Size: 586MB total duration : 03:49

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• XKB - remap arrow keys and preserve shift behaviour to select text

  - by dgirardi

  I realize arrow key remapping is an old problem, however I cannot seem to find a good solution that lets me select text with SHIFT + remapped keys as I would do with the vanilla arrow keys. For instance, if I remap Caps Lock to ISO_Level3_Shift and set xkb_symbols to read either key <AC08> { [ k, K , Down, Down] }; or key <AC08> { type="THREE_LEVEL", [ k, K , Down ] }; Pressing Shift+CapsLock+K will behave exactly as CapsLock+K (while Shift+Down behaves differently from Down alone). I had somewhat more success using higher level macro utilities and generating keyboard events (i.e. generate both the shift and the arrow keypresses); hoever that approach has a whole set of different problems - often the UI response to a simulated keypress is different from the "real" keypress, and there are performance problems as well - I can type faster than the thing can handle. Tl;dr; how can you shift-select using remapped arrow keys under X?

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• How to enable printer settings over Jetdirect on HP 4100N

  - by zsero

  I have a HP 4100N printer and I am using it over network. Previously I was able to access the printer settings over internet, but now the only thing visible is Device Info and Networking. I can connect to the web server and I can set all the network related settings, but that's not what I want. There should be a supplies, config, print info, etc. page, what are not visible now. Can you tell me what setting should I set to enable this printer config page on the webserver? The printer is a HP 4100N and the network card is J4169A (Jetdirect 610n).

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• Return cell reference as result of if statement with vlookups.

  - by EMJ

  I have two sets of data in excel. One contains a set of data which represents the initial step of a process. The other set of data represents the additional steps which take place after the first step is completed. Each of the data records in the "additional step data" has an id in a column. I need to find the identifying codes of the "additional step data" which correspond with the initial step data records. The problem is that I have to match the data in 4 columns between the two data sets and return the id of the "additional step data". I started by doing a combination of an if and vlookup functions, but I got stuck when I tried to figure out how to get the if statement to reference the id of the matching "additional step data". Basically I am trying to avoid having to search by manually filtering between two sets of data and finding corresponding records. Does anyone have any idea about how to do this?

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• Good Documentation on Avaya IP Office 500 r2 setup

  - by Cliff Racer

  I have set up a couple of Avaya IP Office systems over the course of my current job. I have a pretty good handle on the process, but now I am faced with something I have not done before. Both the IP office systems I have set up used all Digital phones. The new system we are putting in place will actually use IP phones for the first time. After tyring to track down some general documentation on my own, I was not able to find anything that left me feeling comfortable about setting up IP phones on an Avaya IP Office 500. Does anyone know of any good how-To's for setting up IP phones on IP Office? I get the impression its pretty simple but learend enough about Avaya to know that there are some tricky aspects to setting them up

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• dhcrelay running as both DHCP and DHCPv6 relay agent on CentOS 6.2

  - by Tibor

  I am trying to set up a DHCP relay agent that would relay DHCP requests for both IPv4 and IPv6. I am using CentOS 6.2 and I am using the dhcrelay from the ISC DHCP implementation. I would like to set it up as a service, but the man page for dhcrelay states: -6 Run dhcrelay as a DHCPv6 relay agent. Incompatible with the -4 option. -4 Run dhcrelay as a DHCPv4/BOOTP relay agent. This is the default mode of operation, so the argu- ment is not necessary, but may be specified for clarity. Incompatible with -6. It seems that the -6 and -4 options are incompatible. How would I still make it work for both protocols without rolling my own service wrapper for both cases?

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• What is the EGG environment variable?

  - by Randall

  A user on our (openSuSE) linux systems attempted to run sudo, and triggered an alert. He has the environment variable EGG set - EGG=UH211åH1ÒH»ÿ/bin/shHÁSH211çH1ÀPWH211æ°;^O^Ej^A_j<X^O^EÉÃÿ This looks unusual to say the least. Is EGG a legitimate environment variable? (I've found some references to PYTHON_EGG_CACHE - could be related? But that environment variable isn't set for this user). If it's legit, then I imagine this group has the best chance of recognizing it. Or, given the embedded /bin/sh in the string above, does anyone recognize this as an exploit fingerprint? It wouldn't be the first time we had a cracked account (sigh).

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• ASP.NET website http requests appear to be queueing

  - by scolemann

  We cloned our servers this weekend into a colo. All non-asp.net sites are performing great, but ASP.NET sites are very slow. It appears to be an issue with the requests/connections, but I cannot figure out where. The reason I think it is a problem with the connections is that when I launch fiddler and watch the requests, all requests appear to happen sequentially. Even the static image requests are taking 5 seconds and another one doesn't start until the first one finishes. MaxConnections is set to 100 in machine.config and the "website connections" are set to unlimited. Any idea what else coudld be causing this? from machine.config:

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• Tripple-Head Setup: Raedon 5770

  - by Aren B

  I currently own a Sapphire Raedon HD 5770 1GB w/ DDR5 (Link) I've got two LCDs set up in this configuration: +---------++------+ | || | | 1 || 2 | +---------++------+ Im looking into buying a new TV/Monitor, a Samsung T240HD (h**p://www.memoryexpress.com/Products/PID-MX22473(ME).aspx) and I'd like to set up a tripple monitor setup like this (new monitor being #3) +---------++------++---------+ | || || | | 3 || 2 || 1 | +---------++------++---------+ Monitor 1: DVI Monitor 2: DVI Monitor 3: HDMI PS3 - Monitor 3: HDMI2 Is this possible with my current video card? Can I plug in 2x DVI + 1x HDMI and get a third display? Or am I going to have to buy a slew of Display Port Adapters? I know older video cards you could only have 2 active displays, but I heard that barrier was defeated with the Display-Port series video cards.

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• Win7 Prof. Computer won't wake on lan via Magic Packet from outside network

  - by Michael

  Hi all. I just purchased a new computer running Windows 7 Professional x64. I'd like to save power by having it sleep after an hour, but I would also like to be able to Remote Desktop into it at my leisure. I set up a static IP and have port forwarding set up on the router. If the computer is awake, the RDP connection works just fine. I downloaded and installed Wake-On-Lan thanks to this article If I put my new computer to sleep and send the magic packet from my old computer inside of my home network it wakes up. If I do the same thing, however, from my work computer outside the network it does not. I figured the Firewall was blocking the incoming traffic, but nothing in the Windows Firewall logs points to this happening. I'm wondering if anyone has any suggestions or any tests I can run through in order to narrow down what the problem might be. Thanks in advance for any help you might be able to offer.

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• ODSI + weblogic = JDBC problem

  - by Giuseppe Di Federico

  I'm currently developing a web service using ODSI through Oracle Workshop for WebLogic (ex AquaLogic). I created a datasource on weblogic using the driver "Oracle thin driver 10g", the test succeed on WebLogic. (My Database is Oracle 10 10.2.0.1.0) The problem occours when I try to create the Phisical Data Service in the Oracle Workshop. I choose the following options: Data source type = Relational Data source = [THE CORRECT NAME OF THE SOURCE SET ON WEBLOGIC] Database type = ??? Aqualogic, doesn't allow me to select the database type. I guess is a problem related to the driver set on weblogic... but I ain't sure.Does someone know the nature of my problem ? Tnx

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• Way to update / refresh / reschedule project plan after adding a vacation / changing calendar

  - by CodeCanvas

  I had created a project plan using MS-Project 2010 (not server). I had set the task schedule mode to "Auto Scheduled" and entered the necessary tasks. Since it is a single person project I also added one person to the Resource of the file and assigned that resource to all the tasks and leveled the project. After the plan was put in and tasks were leveled I figured the calendar was not correctly set (in UAE the weekend is Friday and Saturday instead of Saturday and Sunday). So, I updated the default calendar (Standard) of the project by going to Project-Change Working Time-Work Weeks and changed them as needed. But after doing this, the tasks are still scheduled over Friday and Saturday even though I have marked them as nonworking days in the standard calendar. I tried the following for the tasks to refresh, but I was not successful: Updated all tasks to use the "Standard" calendar in the project Selected option so that tasks do not ignore resource calendars Added a constraint "As Soon As Possible" Executed "Level All" Any help on solving this issue would be much appreciated, thanks in advance.

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• Intel RST accidentally selected wrong drive as system drive -- how to fix?

  - by Sean Killeen

  Question / TL;DR If Intel RST has marked a drive other than my RAID set as the system drive, how can I get it so that the RAID set is now seen as the system drive, and catch it up to my drive now? What Happened NOTE: Some perhaps unwise decisions are ahead. This is as best as I can recall the order of things. I had a 2x1TB RAID1 config. I bought the drives around the same time, and they started to die around the same time. I replaced 1st drive with a 2 TB drive before the other one's SMART errors got more serious. I waited for the RAID to replicate, then replaced the 2nd drive with a manufacturer's replacement. I got a second manufacturer's drive replacement and used it as a spare. so I now I had a 1TB/2TB drive in a RAID1 and another 1TB as a spare. The 1TB drive in the replacement set was bad from the manufacturer. Rather than mess with their refurbished stuff, I bought another 2 TB drive an upped the config to a 2x2TB RAID1 with the other, functioning manufacturer's drive as a spare. I made the mistake of trying to bring the other drive online to clean it out and the signatue clash killed my machine. When the machine rebooted, that drive was marked as the system drive. So, I have a 2x2TB RAID1 that is apparently offline, and 1 spare 1 TB refurbished drive that everything is being run from. Not a great idea. Options I'm considering Bring the 2x2TB drive back online, and then unplug the spare until I can format it in another system. This would involve some data loss, but the more I think about it, I actually think I haven't modified any data that isn't backed up or synced somewhere (go me!) Anything that isn't is likely trivial, enough that I'm willing to take the risk. One downside here is that if the 2 TB doesn't have data on it for some reason, I could be screwed trying to put the other drive back in, no? Try to somehow get the RAID1 updated with the data from the current system drive. Option 3?

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• DJBDNS DNSCache configuration, svscan won't start

  - by SecurityGate

  I've been wracking my brain the last few days trying to setup DJBDNS on my server. I haven't been having too much luck. I have been following the guide provided by the creator of DJBDNS: http://cr.yp.to/djbdns/run-server.html Here is a run-through of where I am: Both services are up: [root@Happycat tinydns]$ svstat /service/tinydns/ /service/tinydns/: up (pid 18224) 74454 seconds [root@Happycat tinydns]$ svstat /service/dnscache/ /service/dnscache/: up (pid 2733) 2184 seconds My /etc/resolv.conf file: nameserver 127.0.0.1 My $PATH: [root@Happycat ~]$ echo $PATH /usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/sbin:/usr/sbin:/var/qmail/bin/:/usr/nexkit/bin:/root/bin My tinydns/root/data records: ..:69.160.56.65:a:259200 .ns1.benwilk.com:69.160.56.65:a:259200 .ns2.benwilk.com:69.160.56.65:a:259200 .56.160.69.in-addr.arpa:69.160.56.65:a:259200 .56.160.69.in-addr.arpa:69.160.56.65:b:259200 =benwilk.com:69.160.56.65:86400 =openbarrel.net:69.160.56.65:86400 +www.openbarrel.net:69.160.56.65:86400 +www.benwilk.com:69.160.56.65:86400 Tiny dns can recognize the records set: [root@Happycat root]$ tinydns-get a benwilk.com 1 benwilk.com: 78 bytes, 1+1+1+1 records, response, authoritative, noerror query: 1 benwilk.com answer: benwilk.com 86400 A 69.160.56.65 authority: . 259200 NS a.ns additional: a.ns 259200 A 69.160.56.65 But then it comes to a grinding halt: svscan /service/tinydns/ supervise: fatal: unable to start env/run: file does not exist supervise: fatal: unable to acquire log/supervise/lock: temporary failure supervise: fatal: unable to start supervise/run: file does not exist supervise: fatal: unable to start root/run: file does not exist supervise: fatal: unable to start env/run: file does not exist supervise: fatal: unable to start supervise/run: file does not exist supervise: fatal: unable to start root/run: file does not exist supervise: fatal: unable to start env/run: file does not exist supervise: fatal: unable to start supervise/run: file does not exist supervise: fatal: unable to start root/run: file does not exist supervise: fatal: unable to start env/run: file does not exist supervise: fatal: unable to start supervise/run: file does not exist supervise: fatal: unable to start root/run: file does not exist supervise: fatal: unable to start env/run: file does not exist supervise: fatal: unable to start supervise/run: file does not exist supervise: fatal: unable to start root/run: file does not exist supervise: fatal: unable to acquire log/supervise/lock: temporary failure supervise: fatal: unable to start env/run: file does not exist supervise: fatal: unable to start supervise/run: file does not exist supervise: fatal: unable to start root/run: file does not exist I'm assuming I have to set something with DNScache, and to be honest, it gets a bit confusing. I'm not sure whether to set it's IP address to 127.0.0.1 or one of the other IP addresses on the system. What am I missing from here?

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• How do I open WPS files in Word Starter 2010?

  - by Sean

  Ok, this is driving me crazy. My parents have 100s of old WPS documents from an ancient version of MS Works, and they just bought a new computer with MS Word 2010 Starter on it. I ap trying to set it up so that the default program to open the WPS files is MS Word, but there is no EXE anywhere in program files or programfilesx86. I opened up process explorer and tried to figure out where the executable for Word is, and it turns out it is on the Q drive... the same Q drive that seems to be inaccessible no matter what I try. I tried adding the exact address of Word, but if I try and set that on anything, it says that it cannot find the file. This is driving me insane, is there any way to make it real easy to open these WPS files in Word?!?

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