Checklists for software errors, setup, and tool workflows.

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How to Fix Windows Search High CPU Usage

If your PC fan is spinning up and Task Manager shows Windows Search (SearchIndexer.exe) using 30-...

Enable Windows Defender After Disabling Third-Party Antivirus

If you've disabled or uninstalled a third-party antivirus and now find Windows Defender is not au...

Fix Windows Terminal Hanging on Startup

Windows Terminal hangs on startup—you click the icon, the window appears but stays frozen or whit...

Fix Windows Defender Token Expired After Update

After a Windows update, you might see an error that Windows Defender's security token has expired...

Fix PowerShell Crash with Exit Code 0xc0000005

You launch PowerShell, it starts to load, then crashes immediately with exit code 0xc000000...

Fix Windows Update Authentication Failed After Password Change
You changed your Windows password, and now Windows Update shows an authentication failed error. T...