Can't open Windows 8 after installing ubuntu 12.04

Posted by Pyttar on Ask Ubuntu See other posts from Ask Ubuntu or by Pyttar
Published on 2013-11-12T14:56:59Z Indexed on 2013/11/12 15:59 UTC
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12.04

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installation

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dual-boot

Yesterday, I tried ubuntu 12.04 LTS and I liked it, so I installed it in my computer with Windows 8. I managed to create a disk partition in Windows and I named it U:\UBUNTU. Then I installed Ubuntu inside this partition, but now, when I try to enter in my Windows 8, it gives me an error message:

error: Secure Boot forbids loading module from (hd0,gpt5)/boot/grub/ntfs.mod.

error: no such device: 2402319002316706

error: unknow command 'drivemap'.

error: invalid EFI file path.

Press any key to continue...

What can I do? Please I need urgent help, I need to access to Windows 8 and I don't want to lose any data... I checked for the Windows disk and I can se there's all my information there, so, I didn't lose anything.

Thanks.

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