Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

When Microsoft Edge fails to update, you might see errors like "Update failed" or "Something went...

After a Windows update, you might see a BitLocker error like "A compatible Trusted Platform Modul...

You see error 0x80073cf0 when trying to install or update an app from the Microsoft Store. The me...

If you see a message like "Your profile version is not supported" or a mismatch error when starti...

When Windows activation fails, the activation log file (usually %windir%\System32\spp\store...

Fix Windows Activation Blocked by Firewall
When Windows can't activate, one common culprit is the firewall blocking the connection to Micros...