Checklists for software errors, setup, and tool workflows.

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Fix Windows Defender Not Starting Due to Antivirus Conflict

You open Windows Security and see a message that Defender is turned off or not starting. The most...

How to Enable Windows Update via Command Line Tools

If Windows Update is disabled or not working, you can enable it using command-line tools. This ar...

Fix Windows Update Cleanup Tool Not Working Error

You run Disk Cleanup, select Windows Update Cleanup, and nothing happens—or it fails with an erro...

Fixing Microsoft Store Dependency Conflicts with Windows Features

You try to install or update an app from the Microsoft Store, and you get an error about a depend...

How to Fix Outlook Proxy Authentication Failed Error

You try to send or receive email in Outlook and see an error: "Proxy authentication failed"

Fix Chrome Proxy Server Not Responding for a Profile
If Chrome shows 'proxy server not responding' only when you're using a particular profile, the pr...