Fix 'Windows Activation Command Not Found' by Checking System Files
When you run slmgr.vbs or cscript slmgr.vbs to activate Windows and get...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Activation Error Invalid Configuration
You try to activate Windows and see an error saying “invalid configuration”. Thi...
How to Fix Microsoft Store Error 0x80073cf0
You open Microsoft Store to install or update an app, and get error code 0x80073cf0. Usually this...
Fix Windows Defender Service Not Starting (Connection Refused)
When you see 'Windows Defender service not starting – connection refused', it usually means the s...
How to Set Command Prompt as Default Terminal in Windows 11
Windows 11 ships with Windows Terminal as the default terminal app. If you prefer the classic Com...
Fix Outlook SMTP 587 Port Already Allocated Error
You try to set up or send email in Outlook, and you see an error about port 587 already being all...
Topic paths
Quick titles
Fixing Chrome Sync After Profile MigrationFix Windows Search Indexing Service Stopped WorkingRemote Desktop Configuration Guide for New UsersTroubleshoot Windows Defender Not Starting from Dependency IssueFix Windows Update Manual Install FailureTroubleshooting UFW Firewall Port Blocked on UbuntuOptimize Chrome Browser Setup for Best PerformanceOutlook Cache Troubleshooting Checklist