Fix slui.exe High CPU Usage During Windows Activation
If you notice your CPU pegged at 100% while trying to activate Windows, slui.exe (Software Licens...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix PowerShell Port Already Allocated Permission Denied
When running a PowerShell script that listens on a TCP port, you might see errors like port...
Checklist for Resolving Windows Security 504 Gateway Timeout
If you see a 504 Gateway Timeout error in Windows Security, it usually means the security service...
Fix Chrome Profile Network Error 'Permission Denied'
You try to launch Chrome and get an error like “The profile appears to be in use by another C...
Fix Windows Defender Service Missing After Antivirus Uninstall
After uninstalling a third-party antivirus program, some users find that Windows Defender is miss...
Fix BitLocker 504 Gateway Timeout on Network Drives
You try to unlock a BitLocker-protected network drive or access a recovery key from a network loc...
Topic paths
Quick titles
Windows Terminal 502 Error GuideWindows Terminal Not in Right-Click Menu: How to Restore ItWindows Terminal Command Not Found: Troubleshooting ChecklistResolve Command Prompt Path Not Found ErrorHow to Fix Access Denied Errors in WindowsOutlook Not Responding? Try These FixesEnable CMD When Blocked by Group PolicyPowerShell Script Blocked on Mac? Here's the Fix