Fix Windows Defender Proxy Error 0x80070422
If you see error 0x80070422 when opening Windows Defender or running a scan, it usually means the...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Command Prompt Not Recognizing Commands
You type a command like ping or ipconfig into Command Prompt and get
How to Fix Chrome ERR_TUNNEL_CONNECTION_FAILED
You're browsing in Chrome, and suddenly a page fails to load with the error ERR_TUNNEL_CO...
Fix BitLocker Setup Error 0x803100b1 on Windows
When enabling BitLocker, you may see error 0x803100b1, which usually means the system cannot find...
Fix Windows Terminal Rate Limit Error from Command Line
If you see a rate limit error in Windows Terminal—often a message like 429 Too Many Request...
Fix Windows Update Token Expired Registry Error
If you see a 'token expired' or 'Token Expired' error when checking for Windows updates, the issu...
Topic paths
Quick titles
How to Fix Command Prompt Hanging on Loading ConfigurationHow to Restore Task Scheduler Backup in WindowsFix Slow Chrome Profile Downloads on Ubuntu: Practical StepsEnable Windows Defender When Service Is UnavailableHow to Fix Command Prompt 504 Gateway Timeout IssuesHow to Restore Chrome Profile After a CrashResolve Windows Update 0x80070002 Stuck IssueOneDrive Setup Configuration Not Working: Fixes to Try