How to Temporarily Turn Off Windows Security for Troubleshooting
If you're troubleshooting a stubborn app or driver issue, Windows Security (formerly Defender) mi...
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View listHow to Fix a Corrupted Command Prompt Configuration File
When Command Prompt fails to start, shows unexpected behavior, or displays errors like "The confi...
Where Windows Defender Stores Its Cache Files
If Windows Defender (now Microsoft Defender Antivirus) won't update definitions, hangs during sca...
Fix Windows 10 Activation Authentication Failed After Update
After a Windows 10 update, you might see an activation error like "We can't activate Windows on t...
Fix Outlook Module Not Found Error 0x80040154
You open Outlook and get an error: 0x80040154 — "Class not registered" or "module no...
Fix Windows Search 502 Bad Gateway After Update
After a recent Windows Update, you might see a “502 Bad Gateway” error when using Windows Search....
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