How to Fix Windows Defender Firewall Blocked App
You try to open an app, but it either won't start or can't connect to the internet. A common caus...
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2. Isolate
3. Apply
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View listHow to Fix Windows Security Not Working
Windows Security (formerly Windows Defender) may fail to open, show a blank page, or refuse to up...
Fix OneDrive Not Signing In After Password Change
After changing your Microsoft account password, OneDrive may fail to sign in, showing errors like...
How to Fix PuTTY Connection Refused Error
You open PuTTY, enter your server IP or hostname, click Open, and get "Connection refused...
How to Fix Windows Defender 504 Gateway Timeout
If you see a '504 Gateway Timeout' error when opening Windows Security or running a scan, Windows...
How to Reset Chrome Browser Settings to Default for Troubleshooting
If Chrome has been acting up—crashing frequently, loading pages slowly, or showing unexpected pop...
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