Checklists for software errors, setup, and tool workflows.

Fix Missing Dependencies in Microsoft Store Offline Installer

When you use a Microsoft Store offline installer (sometimes called an app bundle or .appxbundle f...

Windows Security Troubleshooting Guide

Windows Security (formerly Windows Defender) usually runs quietly in the background, but sometime...

Fix Edge Profile Sync Paused on Startup

If Microsoft Edge shows that profile sync is paused every time you start the browser, syncing boo...

How to Fix Microsoft Teams Invalid Configuration Error Code

If you see an “invalid configuration” error in Microsoft Teams, the app usually fails to sign in ...

How to Fix Outlook Rate Limit Error in Office 365

Understanding the Error

You may see a message like "Too many requests" or "Server busy" ...

Fix Windows Activation File Locked in Safe Mode

Users sometimes find that after booting into Safe Mode to troubleshoot a system issue, Windows ac...