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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

Issue Description

KB918559 FIX: You may experience slow performance and increased memory usage when you start the debugger for a Visual C++ project in Visual Studio 2005


Consider the following scenario. You open a Microsoft Visual C++ project in Microsoft Visual Studio 2005. The Visual C++ project contains symbolic debugging information. You set breakpoints in the application code. In this scenario, you may experience the following problems when you start the debugger:• You may experience slow performance. For example, it may take several seconds for the debugger to arrive at the breakpoints that you set.

Note This problem is more likely to occur when the Visual C++ project contains large .pdb files.
• You may experience increased memory usage in the Devenv.exe process.
Note These problems occur only on x86 processors. These problems do not occur on x64 processors or on IA-64 processors.

Additional Information about the issue resolved by this Hotfix can be found in its Knowledge Base article at

Additional Hotfixes
Search the list of all other publicly available Visual Studio and .NET Framework Hotfixes at*

Last edited Jun 25 2008 at 6:59 PM  by codegalleryadmin, version 4
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