Fix Windows Defender Version Mismatch After Update
After a Windows update, you might see a message that Windows Defender (Microsoft Defender Antivir...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labHow to Fix Windows Defender Threat Service Stopped
If Windows Defender shows a yellow warning that the threat service has stopped, real-time protect...
Fix 'Permission Denied' Error on Windows Update Migration Folder
After a Windows feature update, you may encounter a 'permission denied' error when trying to acce...
Removing Malware Causing High CPU Usage in Command Prompt
If you notice high CPU usage in Task Manager attributed to Command Prompt (cmd.exe), svchost.exe,...
Fix Windows Defender SSL Certificate Error
If Windows Defender shows an SSL certificate error, it usually means the antivirus can't verify t...
Fix OneDrive Sync Service Unavailable in Office 365
If you see 'OneDrive sync service unavailable' when trying to sync files in Office 365, the sync ...