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How to Reset Windows Defender Settings

If Windows Defender (Microsoft Defender Antivirus) is acting up—won't open, shows error messages,...

Fix Remote Desktop Fails to Start with No Error

You click to start a Remote Desktop session, the connection window appears briefly, then closes w...

How to Resolve PowerShell DNS Lookup Failure

When PowerShell fails to resolve a hostname, you might see errors like Cannot resolve the a...

Windows SSL Certificate Error After Update: Step-by-Step Checklist
After a Windows update, you might see SSL certificate errors in browsers, email clients, or other...

Fix Windows Search Proxy Error 0x80070490
If you see error 0x80070490 when using Windows Search, it usually means a system component is mis...

Fix Outlook Invalid Configuration Error During Email Account Setup
When setting up an email account in Outlook, you may see the error “Outlook could not log on. Che...


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