Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

View list

Fix SSL Certificate Verify Failed in Command Prompt

If you see SSL certificate verify failed when running commands in Command Prompt, it...

Fix Remote Desktop DNS Error 0x800704cf

When you try to connect to a remote computer using Remote Desktop (RDP) and see error code 0x8007...

Fix Microsoft Store Not Opening After Offline Installer

If you've installed an offline version of the Microsoft Store (for example, on a PC without inter...

How to Fix Chrome Profile SSL Certificate Error

You open Chrome and see an error like “Your connection is not private” or “NET::ERR_CERT_COMMON_N...

Fix Windows Activation Command Error 0x80070002

When you try to activate Windows using the command line—for example, running slmgr /ato

Fix Windows Update 504 Gateway Timeout: Network Troubleshooting Guide
When Windows Update fails with a 504 Gateway Timeout error, it usually means the update server is...