Leave the "Yahoo! Messenger has stopped working" window up; if you dismiss this window, the process will go away.

The first step to resolve Yahoo! Messenger crashes on Windows XP is to uninstall runtime components:

Links to procedures to help resolve issues with Yahoo! Messenger crashing or freezing, including the error messages:

Messenger for webcam conversations and calls is fun and exciting. Of course, you need a functioning webcam to do this! This video helps you identify and solve any issues you might be having. What to Do If...

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This article will provide steps to troubleshoot the following issues: Yahoo! Messenger crashing or freezing on Windows 7

This article will provide steps to troubleshoot the following issues: Yahoo! Messenger crashing on Windows Vista

Messenger crashes when I try to use my webcam Unable to use webcam or see webcam image with Messenger Messenger stops responding

Messenger crashes when I try to use my webcam Unable to use webcam or see webcam image with Messenger Messenger stops responding

Messenger , including: ... Webcam crashes or freezes.