How to Fix Windows Defender 502 Bad Gateway Error
If you see a '502 bad gateway' error in Windows Defender, it usually means the security service c...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Defender Real-Time Protection Turned Off & Connection Refused
You open Windows Security and see real-time protection is off. Trying to turn it on fails with a ...
Outlook High CPU Usage: Troubleshooting Checklist
If Outlook is using 30% or more CPU for extended periods, your system slows down and battery drai...
Fix Windows Search Not Finding Files After Migration
After moving files to a new drive or PC, Windows Search may stop returning results for those file...
Fix 'Windows Terminal Path Not Found' in VS Code
When you try to open Windows Terminal from VS Code (e.g., via Ctrl+` or the terminal dropdown) an...
Fixing Windows Security Connection Timeout Error 0x800705b4
If you see error code 0x800705b4 when opening Windows Security or trying to run a scan, it usuall...
Topic paths
Quick titles
Resolve Chrome Error 0xc0000022 on WindowsActivate Python Virtual Environment in ScriptHow to Unlock BitLocker Files on WindowsTroubleshooting RDP Rate Limit 0x104Windows Activation Key Invalid? Try These FixesError 0x80070422 in Windows Security: Causes and FixesWindows Search Index Migration Missing ResultsCertbot Permission Denied with Nginx Plugin: Common Causes