Fix Windows Security Not Starting Automatically After Boot
You boot your PC and notice Windows Security (formerly Windows Defender) isn't running. The icon ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Defender Update Error 0x80070005
You see error 0x80070005 when trying to update Windows Defender. This usually means a permission ...
How to Fix BitLocker Module Not Found Error
When you open BitLocker Drive Encryption or try to manage encrypted drives, you might see an erro...
How to Fix Windows Search Proxy Error
If you see a proxy error when using Windows Search, it usually means the search feature is trying...
Fix Remote Desktop Connection Version Mismatch Error Code
When you try to connect to a remote PC using Remote Desktop Connection (RDP) and get a "version m...
Fix Remote Desktop Authentication Failed on Windows 10
When you try to connect to a remote Windows 10 PC and see “An authentication error has occurred” ...
Topic paths
Quick titles
Turn On Windows Defender Windows 10 GuideHow to Unlock a File in Use by Another Program in WindowsHow to Fix OneDrive Sync After an UpdateFix Teams High Memory Usage by Turning Off Hardware AccelerationTroubleshoot Windows Search SSL Certificate ErrorsWindows Security DNS Error After Update: Quick FixesCheck DNS Settings for Windows Activation ErrorsMicrosoft Teams Permission Error Troubleshooting