Fix Windows Defender Service Not Starting (Error 0x80070422)
You try to start Windows Defender but get error 0x80070422: “The service cannot be started, eithe...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Windows Defender DNS Error Not Working
You open Windows Security and see a warning that Windows Defender isn't working, often accompanie...
How to Fix Edge Profile Sync Paused Error
You open Microsoft Edge and see "Sync paused" under your profile. Your bookmarks, passwords, and ...
Fix Windows Search Indexing Stuck Due to Rate Limiting
Windows Search indexing can stall or appear stuck, often due to built-in rate limits that throttl...
How to Fix DNS Server Not Responding During Windows Update
When you run Windows Update and see a 'DNS server not responding' error, it usually means your PC...
Fix Windows Search Access Denied After Update
After a Windows update, you may see "Access Denied" when trying to search files, folders, or sett...
Issue queue
SitemapWindows 10 Task Scheduler Not Running: Fix Guide
Fix Outlook 'Access Denied to Public Folder' Error
Windows Activation DNS Error: Quick Fixes
Fix Microsoft Store DNS Error on Windows 10
Resolve net use Authentication Failed Error When Mapping Network Drive
How to Fix Remote Desktop 404 Not Found in Windows 10
PowerShell Not Recognized as Internal or External Command Fix
Windows 10/11 Update Error 0x80070005 Troubleshooting
Fix Chrome Profile Sync Stuck and High CPU Usage
How to Fix Permission Denied on Windows Update Offline Installer
How to Resolve OneDrive Sync Error 0x8004de40
BitLocker DNS Error Network Not Working Fix
Fix Outlook 'Access Denied to Public Folder' Error
Windows Activation DNS Error: Quick Fixes
Fix Microsoft Store DNS Error on Windows 10
Resolve net use Authentication Failed Error When Mapping Network Drive
How to Fix Remote Desktop 404 Not Found in Windows 10
PowerShell Not Recognized as Internal or External Command Fix
Windows 10/11 Update Error 0x80070005 Troubleshooting
Fix Chrome Profile Sync Stuck and High CPU Usage
How to Fix Permission Denied on Windows Update Offline Installer
How to Resolve OneDrive Sync Error 0x8004de40
BitLocker DNS Error Network Not Working Fix