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Fix Windows Defender Service Not Starting Error

If you see an error that Windows Defender won't start—or the service stops immediately—it's usual...

Fix Windows Activation Service Unavailable Error

You try to activate Windows, but see 'Activation service unavailable' or 'We can't activate Windo...

How to Fix PowerShell Proxy Error Not Connecting

When PowerShell fails to connect through a proxy, you'll typically see errors like Unable t...

Fix 'Permission Denied' Error When Downloading Windows Updates on Ubuntu
If you use a dual-boot system with Ubuntu and Windows, you may see a 'permission denied' error wh...

How to Fix Windows Terminal Backup Not Working
If you've tried to back up your Windows Terminal settings and run into errors or missing data, yo...

Troubleshoot 504 Gateway Timeout in Windows Security App
When you open Windows Security (formerly Windows Defender Security Center) and see a 504 ...


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