Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

View list

Fix Windows Update Cleanup Stuck During Disk Cleanup

You run Disk Cleanup, select Windows Update Cleanup, and it sits at “Working on it” for hours. Or...

Fix Windows Defender Slow Startup in Windows 10

If your Windows 10 PC takes longer to boot up and you suspect Windows Defender is the cause, you'...

Windows Defender Service Not Starting: Fixes and Checks

When Windows Defender won't start, you might see an error like "Windows Defender service can't be...

How to Fix Windows Search Indexing Options Not Saving

If you've changed your indexing options in Windows Search but the settings don't stick, you're no...

Fix PostgreSQL Password Authentication Failed on Localhost

You try to connect to PostgreSQL on localhost with a password, but get FATAL: password auth...

Fix Error 0x80070422 Windows Security Version Mismatch
You may see error code 0x80070422 when opening Windows Security, often accompanied by a message a...