Fix Windows Activation Service Unavailable After Update
After a Windows update, you may see an error saying the activation service is unavailable. This u...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Activation 502 Bad Gateway Due to Proxy Settings
If you see a "502 Bad Gateway" error when trying to activate Windows, the problem is often a misc...
Microsoft Teams Not Responding: Slow Startup Fixes
If Microsoft Teams takes forever to load or becomes unresponsive shortly after launch, you're not...
Task Scheduler Cache After Deleting Tasks: How to Clear Stale Entries
When you delete a scheduled task in Windows, the task may still appear in the Task Scheduler libr...
Fix Chrome Permission Denied When Installing Extensions
When you see a 'permission denied' message while trying to install a Chrome extension, it usually...
How to Disable Remote Desktop Certificate Warnings
When connecting to a remote desktop, you may see a warning that the remote computer's identity ca...
Topic paths
Quick titles
Fix BitLocker Authentication Failed with TPM Not WorkingChrome High CPU Fix: Clear Profile CacheWindows Update Service Won't Start After UpdateWindows Defender High CPU Fix: Registry EditsChrome Performance Setup GuideOutlook Not Receiving Emails on Windows 10: FixesSetup and Troubleshoot Windows Search Configuration ToolWindows Update Module Not Found: Fix with Built-in Tools