Checklists for software errors, setup, and tool workflows.

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Fix 'Port Already Allocated' Error After Windows Update

After a recent Windows update, you might see an error like 'port already allocated' when starting...

PowerShell Command Not Found but Works in CMD

You open PowerShell, type a command you know works in Command Prompt, and get an error like

Fix Windows Update Cleanup Stuck Waiting for Other Updates

If you're running Disk Cleanup and it hangs at 'Windows Update Cleanup' with a message that it is...

Fix Windows Activation Authentication Failed: Invalid Product Key

You see "Windows activation authentication failed" or "product key not valid" when trying to acti...

How to Fix PowerShell Setup Error 0x800f0950

When installing or updating PowerShell on Windows, you may encounter error code 0x800f0950<...

GitHub Actions Workflow Fails With No Error Message
You run a GitHub Actions workflow, it fails, but the log shows no error message—just a red X. Thi...