Windows Defender Rate Limit Error Troubleshooting Checklist
You might see a Windows Defender rate limit error when scanning files or updating definitions. Th...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Microsoft Teams Connection Refused by Proxy Server
When Microsoft Teams shows a 'connection refused' error and mentions a proxy server, it usually m...
Fix Windows Activation Proxy Server Error
When you try to activate Windows and see an error about a proxy server, it usually means the acti...
Fix DNS_PROBE_FINISHED_NXDOMAIN Error in Chrome for All Sites
If you see DNS_PROBE_FINISHED_NXDOMAIN in Chrome and no sites load, it means you...
Windows Defender Offline Scan Setup Guide
If your Windows PC is infected with malware that won't go away with a normal scan, a Windows Defe...
BitLocker DNS Error Setup Configuration Guide
When setting up BitLocker, you might encounter a DNS error that stops the configuration process. ...
Topic paths
Quick titles
Windows Security Blank White Screen TroubleshootingOffline Installation of Command Line ToolsWindows Update Cleanup Not Working? Try These FixesWindows 10 RDP High CPU Usage FixTask Scheduler 502 Bad Gateway Error FixFix Windows Defender Real-Time Protection Authentication FailedWindows 10 Update Error 0x80070643 – Quick FixesTroubleshooting Cloudflare SSL Redirect Loops