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KB957912 - Update for Visual Studio 2008 SP1 Debugging and Breakpoints
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A Hotfix is a product update package with one or more updated product files that fix a specific product problem.
Please be aware this Hotfix has not gone through full Microsoft product regression testing nor has it been tested in combination with other Hotfixes.
Please carefully review the associated Hotfix KB article to verify the fix is the one needed and there are no known compatibility or installation issues. You may also want to contact a Microsoft Support Professional at
Update for Visual Studio 2008 SP1 Debugging and Breakpoints
Additional Information about the Hotfix is available at
Additional Information about the issue resolved by this Hotfix can be found in its Knowledge Base article at
Search the list of all other publicly available Visual Studio and .NET Framework Hotfixes at
Nov 26 2008 at 12:41 AM
, version 3
Dec 10 2008 at 10:43 PM
The link to the kb article is broken.
Dec 23 2008 at 4:07 PM
I'm running a standard Windows application in C, and still couldn't step into a function in the Windows API, after installing this update.
Jan 13 2009 at 10:47 PM
Belloc: switch to disassembly mode. You can't step into a Windows API in source mode unless you have the full symbols and the source for Windows, which I doubt you have.
Jan 20 2009 at 3:19 PM
This hotfix made a huge improvement in my case. C# multi-app-startup project with some serious multi-threading: I couldn't step through the code with any reliability; but after applying the hotfix I can step through that same code just fine.
May 5 2009 at 6:16 PM
Thank goodness!! I can't work without stepping through. Now I can get back to what I am supposed to be doing.
Mar 3 2010 at 7:51 PM
Thank you for this fix. Visual Studio 2008 was crashing the moment I set a breakpoint, or loaded symbols with documents having breakpoints. Immediately after installing this fix it worked as expected and I was able to proceed with debugging.
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Wed Nov 12 2008 at 8:00 AM
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