Command Prompt Opens and Closes Immediately: Fixes
You double-click Command Prompt (cmd.exe) and a black window flashes on screen—then disappears. T...
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View listFix Windows Security Not Starting Automatically After Boot
You boot your PC and notice Windows Security (formerly Windows Defender) isn't running. The icon ...
Windows Defender High CPU and Memory Usage Not Working: Fixes
If Windows Defender is eating up CPU or memory and also failing to run scans, update definitions,...
Fix High CPU Usage by Antivirus Scanning PowerShell
If you notice that PowerShell (powershell.exe or pwsh.exe) is using high CPU, and you have an ant...
Fix Error 0x80070422 Windows Security Version Mismatch
You may see error code 0x80070422 when opening Windows Security, often accompanied by a message a...
How to Fix Outlook High CPU Usage Caused by Add-ins
If Outlook is using 50% or more of your CPU for no obvious reason, an add-in is often the culprit...
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