Checklists for software errors, setup, and tool workflows.

Fix Command Prompt Not Working After Windows Update

After a Windows update, you might click Command Prompt and nothing happens—or it opens and closes...

Fix OneDrive Sync Port Already Allocated Permission Denied Error

You might see the error 'port already allocated permission denied' when OneDrive tries to sync. T...

Fix Command Prompt Not Launching from Taskbar

You click the Command Prompt icon on the taskbar, but nothing happens. No window, no error, just ...

How to Fix Windows Search Proxy Error

If you see a proxy error when using Windows Search, it usually means the search feature is trying...

Fix Microsoft Teams Microphone Not Detected in Windows

Common Causes

• Microphone permissions disabled for Teams in Windows settings.

How to Fix 'Access Denied' to an Outlook Mailbox Folder

You try to open a folder in Outlook—Inbox, Sent Items, or a custom folder—and get an “Access Deni...