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Security Troubleshooting and Support

1 Search for a Solution

Find answers to a technical issue, look up a KB article, or search by error code.

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Look up KB article:
Look up Events and Errors:

2 Ask a Question in the Forums

Search the forums for an answer to your question, or ask a question if you can't find the answer.

3 Contact Microsoft for Additional Help

No-Charge Support

For no-charge security-related support, please visit the Virus and Security Solution Center. This site is available 24 hours per day for the U.S. and Canada.

For security-related support outside the U.S. and Canada, select your region.