Fix Windows Activation Service Unavailable Without Product Key
You see 'Windows activation service unavailable' and you don't have the product key. This usually...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Disable Proxy for Microsoft Store
If the Microsoft Store won't load, download apps, or update, a misconfigured proxy is often the c...
Git Clone Publickey Permission Denied After Adding SSH Key
You've added your SSH public key to your Git hosting service (GitHub, GitLab, Bitbucket, etc.), b...
How to Clear Stuck OneDrive Pending Changes
You see "Pending changes" in OneDrive, but they never finish syncing. Files may appear stuck with...
Fix PowerShell Service Unavailable Error (Enable or Restart)
If you see 'Service unavailable' when trying to use PowerShell, the PowerShell service might be s...
How to Fix Microsoft Teams Camera Not Working on Windows 10
When your camera stops working in Microsoft Teams on Windows 10, it's usually due to permission s...
Topic paths
Quick titles
Windows 10 Jupyter Kernel Failure FixHow to Clear Chrome DNS Cache for a Single ProfileFix npm EACCES Errors with NVM: Step-by-Step GuideWindows 0xc004c003 Invalid Product Key FixFind PowerShell Logs for TroubleshootingChrome Browser Black Screen Issue: Practical FixesVS Code Remote SSH Extension Host Dying – FixBitLocker Network Unlock Timeout Fixes