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Fix Windows Defender Performance Issues After Update

After a recent Windows update, you might notice Windows Defender (Microsoft Defender Antivirus) c...

Fix 'PowerShell Is Not Recognized' Error on Windows

You type a PowerShell command in Command Prompt or a script and see: 'powershell' is not re...

Fix Windows Activation Not Genuine After Boot Camp Setup
After setting up Windows on a Mac using Boot Camp, you might see a message that Windows is not ge...

Command Prompt Connection Error Troubleshooting Guide
You open Command Prompt, try to ping a server or run a network command, and get an error like

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...

Windows Store Error 0x80073cf9: How to Fix Installation Failures
You try to install or update an app from the Microsoft Store, but you get error 0x80073cf9. The a...


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