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Fix Windows Security Service Failing to Start on Startup

If Windows Security (Windows Defender) fails to start when you boot your PC, you may see a warnin...

Fix Windows Defender Token Expired Error After Reinstall

After reinstalling Windows or your security software, you might see a “token expired” error in Wi...

Fix Windows Update Error 0x80070020: Port Already Allocated

When you see error 0x80070020 during a Windows Update, it usually means a program is already usin...

Fix Windows Security DNS Errors After a Windows Update

After a recent Windows update, you may see a DNS error inside Windows Security (formerly Windows ...

How to Fix Chrome Error STATUS_ACCESS_VIOLATION