Fix Windows Security Center Version Mismatch Errors
You open Windows Security and see a message about a version mismatch, or the Security Center serv...
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All notesHow to Fix Windows Security Token Expired Error
You’re trying to access a network share, remote desktop, or an app that uses Windows authenticati...
Enable Windows Security Manually When It Fails to Start
If Windows Security (formerly Windows Defender) fails to start, you may see an error like "This a...
Fix Windows Search 'Token Expired' Error in Office 365
You search for a file or email in Windows, and instead of results you see a message like 'Token e...
Fix Command Prompt Not Working After Windows Update
After a Windows update, you might click Command Prompt and nothing happens—or it opens and closes...
Chrome Extension Blocked by Administrator: How to Fix
You see the message "This extension is blocked by your administrator" in Chrome, and you can't en...
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