Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

If Outlook suddenly won't open, shows error messages about a data file, or you can't see certain ...

If Windows Update fails with an error like 0x80072ee7 or 0x8024402c, a ...

After restarting your computer to complete a Visual Studio installation or update, you might see ...

If you see a 504 Gateway Timeout error when opening Windows Security after a recent update, it us...

You click 'Check for updates' and the progress bar just spins. Minutes turn into hours, and nothi...

When you launch a Jupyter notebook from Anaconda Navigator or the terminal, the kernel may fail t...