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I just installed Windows 7 and I'm finding that some older (3 years) programs don't even launch when I double click on them. I opened up Process Explorer and the process don't even flash in the list when I double click on them; it's like the programs aren't even trying to start.

What could be the reason for this?

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4  
What programs? What version and architecture of Win 7? Is the account you're using an administrator? Do you have UAC on? –  MDMarra Oct 22 '09 at 2:34
    
Did you upgrade from windows 7? Did you do a clean install? –  A Dwarf Oct 22 '09 at 3:00
2  
    
Swing some REAL examples, I've been running Win 7 for a long time, maybe I can help you out. –  JL. Oct 29 '09 at 16:50

3 Answers 3

up vote 1 down vote accepted

For programs that are truly incompatible with Windows 7, and if you have 7 Ultimate or 7 Business, you could use XP Mode.

Really, though, I agree with the commenters: edit your question to be clearer.

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You can try right click on the program (setup/run file) compatibility tab and choose the last version of vista. (check the first option and choose the last vista version)

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You could try right clicking and going to compatibility options and running it under the old OS.

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