Fix Windows Security Error: Missing Security Center
If you see an error saying Windows Security Center is missing or unavailable, it usually means th...
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View listFix 'Port Already Allocated' Error in Chrome via Command Line
You start Chrome from the command line and get an error that the port is already allocated. This ...
Fix Windows Security Blank Screen Not Loading
You open Windows Security (formerly Windows Defender) and see nothing but a blank white or gray s...
Fixing PowerShell DNS Errors After a Windows Update
After a recent Windows update, you may see errors in PowerShell related to DNS resolution—things ...
Fix Windows Security Token Expired Error 0x80070520
You see error 0x80070520 with the message 'The security token has expired.' This usually happens ...
How to Fix Windows Defender High CPU Usage
If your system feels sluggish and Task Manager shows Windows Defender (Microsoft Defender Antivir...
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