Fix Windows Defender Not Opening Error 404
You try to open Windows Defender and get an error 404 – the page or resource can't be found. This...
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Browse labRepair Windows Security Installation via Command Prompt
Windows Security (formerly Windows Defender) can sometimes fail to open, show blank screens, or r...
How to Fix Activation Error 0xc004c003 Using Command Prompt
If you see error 0xc004c003 during Windows activation, it usually means the activation grace peri...
Fix Windows Security High Memory Usage (100%)
You open Task Manager and see Windows Security (or Antimalware Service Executable) using nearly 1...
Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN
You're browsing with Chrome and your VPN is on, but suddenly pages won't load and you see
How to Set Up a Chrome Profile Step by Step
If you share a computer or want to keep your work and personal browsing separate, Chrome profiles...