OllyDbg catching/throwing exceptions

Question

Every time I am trying to debug something with OllyDbg 1.10 (on Windows 7 32-bit), it keeps throwing exceptions for no reason. I skip them with Shift + F7/F8/F9, and at the end it throws an exception saying EIP = 00000000.

Can someone please tell me how to fix it?

Answer 1

_{The following applies to OllyDbg 1.10; for other versions, YMMV.}

Options > Debugging Options > Exceptions

This setting allows you to set OllyDbg to ignore each/any exception thrown (use specific numbers for specific exceptions or 00000000 .. FFFFFFFF to ignore all).

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Also, for your convenience, I'd recommend the following settings for OllyDbg, in case you don't have them:

Start analysis of main module

Options -> Debugging Options -> Analysis 1

With this option activated Olly will analyze the program being debugged at start.

Highlighting jumps and calls

Options -> Appearance -> Defaults -> Default syntax highlighting -> Jumps'n'calls

Or, for current window, using right click:

Show jump path

Options -> Debugging Options -> CPU

With this options you can see the path of the jumps.

Finally, I recommend virtualize XP inside your Windows 7 with a tool of your choice, as it may make your debugging easier.