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Back to User (alt+f9) does not work

Support forums for OllyDbg 32-bit Assembler-Level Debugger.
Developed by Oleh Yuschuk (http://www.ollydbg.de)
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akovid
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Posts: 9
Joined: Sun Aug 11, 2013 8:31 pm

Back to User (alt+f9) does not work

Post by akovid »

For most of the cases back to user mode(alt+f9) works but in some cases it does not work.Could anyone please explain why it is so and how to get around this problem.
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Indy
Posts: 311
Joined: Sun Nov 08, 2009 4:32 am

Post by Indy »

lol
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Kayaker
Posts: 4169
Joined: Thu Oct 26, 2000 11:00 am

Post by Kayaker »

I think you'll need to provide a duplicatable instance of where Alt-F9 doesn't work. Then you'll have something to debug.

Alternatively, use Ctrl-F9 (execute till return) to step out of system code until you get back to the program code. Or, as blabberer once pointed out, use the minus (-) key to step backwards until you get back to where you stepped into system code, then set a breakpoint ahead of that.
akovid
Junior Member
Posts: 9
Joined: Sun Aug 11, 2013 8:31 pm

Post by akovid »

Thanks Kayaker. Ctrl-F9 is working, but I did not understand this "duplicatable instance" concept. What do you mean by "provide a duplicatable instance"
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Kayaker
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Post by Kayaker »

I meant, do you have a real example of where alt-f9 always doesn't work? Such that anyone else can test and get the same result.
akovid
Junior Member
Posts: 9
Joined: Sun Aug 11, 2013 8:31 pm

Post by akovid »

Ok. Ctrl-F9 is working fine. Thanks a lot
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