Checklists for software errors, setup, and tool workflows.

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Chrome Profile Unable to Create New User Fix

When Chrome refuses to create a new user profile, you typically see an error message like "Unable...

How to Fix High Memory Usage by Command Prompt (cmd.exe)

You open Task Manager and see that Command Prompt (cmd.exe) is using 500 MB or more of RAM. That'...

How to Restore Windows from Backup After a Failed Update

If a Windows update fails and leaves your system unbootable or unstable, restoring from a backup ...

Fix Windows Update Error 0x80070020: File Locked

You try to install Windows updates but get error 0x80070020. This usually means another program o...

Fix 'Windows Update Command Not Found' in PowerShell

You open PowerShell, type a Windows Update command like Get-WUInstall or wuauc...

Fix Windows Defender Real-Time Protection Grayed Out
You open Windows Security, go to Virus & threat protection, and see that the Real-time protection...