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Fix Windows Defender SSL Certificate Error 0x80072f0d

When Windows Defender or Microsoft Defender Antivirus shows error code 0x80072f0d, it usually mea...

Fix Windows Search Update Permission Denied Error

You try to update Windows Search, but get a 'permission denied' message. This usually happens whe...

Fixing Windows Security Proxy Configuration Issues

When Windows Security (formerly Windows Defender Security Center) can't update virus definitions ...

Fix Chrome 'Connection Refused' on Linux Profiles

You launch Google Chrome on Linux, maybe with a specific profile flag, and instead of your browse...

Fix Windows Security Connection Refused Certificate Error

When you see 'connection refused' combined with a certificate error in Windows Security, it usual...

Fix KMS Activation Error: Port 1688 Already in Use