I stuck in a problem. I want a chmreader executable file to be used in android application. Now whenever I tried to execute it from adb shell, it gives error "permission denied" Now, whenever I use "su" it just executes the file, but doesn't do anything. And whenever I give the argument as the path of the file to be read, "# su /sdcard/extract_chmLib /sdcard/docs/HArdcore.chm" it shows "su: exec failed for /sdcard/docs/HArdcore.chm Error:Permission denied" where "/sdcard/extract_chmLib" is the executable file and "/sdcard/docs/HArdcore.chm" is the chm file to be read. Can you please help me???