Fix Windows Defender DNS Error 0x800704cf
You open Windows Defender and see error code 0x800704cf. This usually means Windows Defender can’...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Activation Blank Screen After Update
After a Windows update, some users see only a blank screen at login. The system may be unresponsi...
Fix PowerShell Not Launching at System Startup
If PowerShell isn't starting automatically when you boot your PC, a scheduled task, startup short...
How to Fix Chrome Profile Dependency Conflict
You try to open Chrome and get an error about a profile dependency conflict, or Chrome fails to l...
How to Fix Windows Defender File Locked Error 0x80070020
Error 0x80070020 often appears when Windows Defender (Microsoft Defender Antivirus) is scanning a...
Fix Chrome Slowdown from Too Many Extensions
If Chrome feels sluggish, extensions are a common culprit. Each extension adds code that runs in ...
Topic paths
Quick titles
Microsoft Store Configuration Settings: How to Fix and OptimizeTroubleshoot Windows Search Token Expired 80090016Troubleshoot Outlook Crash 0x80004005How to Fix Firefox Profile Missing Permission DeniedFix Windows Activation on Ubuntu – ChecklistResolve Access Denied Error in Defender LogsReduce Windows Defender Startup Lag in Windows 10VS Code Jupyter Kernel Won't Start