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Fix Windows Defender Real-Time Protection Authentication Failed

When you try to turn on Windows Defender real-time protection, you might see an error saying some...

Fix Proxy Settings for Windows Activation Error

If you see an activation error in Windows, a misconfigured proxy is a common culprit. The system ...

Fix Windows Search Error 0x80070490: Version Mismatch

If you see error 0x80070490 when searching in Windows, it usually means a component version misma...

Fix Windows Update Authentication Failed Due to Group Policy

You try to run Windows Update and get an error like "Authentication failed" or "0x80070005" – and...

How to Fix Microsoft Teams 'Command Not Found' Error