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Been double clicking both 'cmd' and 'Command Prompt' on start menu, running on administrator on both, use the Run tool and used /k (cmd /k) on a Windows 7 machine, but everytime I'm opening it the windows closes in a second or so, not giving me enough time to write barely a word. Trying to make a repair usb which requires me to write a number of commands. So any suggestions on what's the problems? Thanks for your time.

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You should run the command from runas box sfc /scannow. – avirk Jun 8 '12 at 4:04

Open windows explorer and right click your C: drive while holding the shift key down. The menu should include the option "Open command window here". Select that, and you should be in a command prompt window on the root of C:.

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For me, copying the cmd.exe from the system folder and pasting somewhere else worked... don't know how that worked, but the issues resolved. Thanks for the comment- I'd answer the question myself but theres a time limit :/ – Matt Jun 7 '12 at 18:47

Try entering into run (Windows Key + R)

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'Windows cannot find' :( – Matt Jun 7 '12 at 15:43
Do you have an antivirus application that may be using "application control" on cmd.exe? – francisswest Jun 7 '12 at 15:57
The only anti-virus program I have is Malwarebytes (and Clamwin, but that's just checking through files for sure)... sorry, how do I check? – Matt Jun 7 '12 at 16:12
It's "command.exe", not .com – martineau Jun 7 '12 at 16:44
@acme64 Actually, isn't XP only. I have it on my Win 7 PC and school laptop. – Mythrillic Jun 8 '12 at 2:00

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