Fix 'File Locked by Unknown Process' in Command Prompt
You try to delete, rename, or move a file, but Windows says it's locked by an unknown process. Th...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Command Prompt Not Working After Windows Update
After a Windows update, you might click on Command Prompt and see nothing happen, or it flashes a...
How to Fix Outlook Service Unavailable in Safe Mode
When Outlook shows 'service unavailable' even after you start it in safe mode, the problem is oft...
Fix 'Windows Activation Service Not Starting' Permission Denied
When you see "Windows Activation Service not starting" with a "permission denied" error, the serv...
Fix Microsoft Store Offline Installer Permission Denied on Windows 11
You downloaded a .appxbundle or .msixbundle file (offline installer) for a Microsoft Store app, b...
Step-by-Step Guide to Set Up BitLocker Backup to an External Drive
If you've enabled BitLocker on your Windows PC, you know how important it is to keep your recover...
Issue queue
SitemapResolve Windows Update Path Not Found in Registry
Task Scheduler Task Not Running on Startup: Permissions Fix
How to Resolve Cloudflare DNS Permission Denied
OneDrive Cannot Connect Due to Firewall
OneDrive Search Sync Problem Solution
Edge Browser Fails to Launch in Windows 11
Fix Windows Activation Error: Port 443 Already Allocated
How to Fix RDP 404 Error After Changing Network Config
How to Resolve Chrome Network Error
How to Resolve PowerShell Install Conflicts
How to Fix Missing DLL Files in Chrome Offline Installer
VirtualBox Kernel Driver Installation Checklist
Task Scheduler Task Not Running on Startup: Permissions Fix
How to Resolve Cloudflare DNS Permission Denied
OneDrive Cannot Connect Due to Firewall
OneDrive Search Sync Problem Solution
Edge Browser Fails to Launch in Windows 11
Fix Windows Activation Error: Port 443 Already Allocated
How to Fix RDP 404 Error After Changing Network Config
How to Resolve Chrome Network Error
How to Resolve PowerShell Install Conflicts
How to Fix Missing DLL Files in Chrome Offline Installer
VirtualBox Kernel Driver Installation Checklist