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I'm using Ubuntu 12.04 64bit and I'm trying to make a file executable, but when I check the "Allow executing file as program", the check mark appears then disappear spontaneously.
If it could help, my file's name is ioUrbanTerror.x86_64

Thank you.

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is it stored on a FAT, FAT32, or NTFS partition? –  Thomas W. Jun 18 '12 at 15:22
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1 Answer

up vote 3 down vote accepted

Fat and ntfs partion wont support file permissions ,just copy the file to the home folder or desktop and try again

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Thank you. I copied my file into my home folder and it works now. –  Mohamed Jun 18 '12 at 15:24
@Mohamed You should mark this answer as correct. –  JXPheonix Jun 18 '12 at 15:31
@JXPheonix It's done. –  Mohamed Jun 18 '12 at 16:24
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