Knowledge base for software setup, errors, and daily tool work.

Why Command Prompt Stuck on Opening? Fixes to Try

You double-click Command Prompt, the window appears briefly, then vanishes — or it just hangs wit...

PowerShell Profile Cache Location and How to Delete It

If PowerShell starts slowly, shows errors on launch, or seems to ignore recent profile changes, a...

OneDrive Invalid Configuration Sync Issue Fix

Understanding the Problem

You open OneDrive and see an error like "Invalid configuration"...

How to Fix slmgr.vbs High Memory Usage During Windows Activation

If you notice that slmgr.vbs is using a lot of memory (often 100 MB or more) on your...

Fix Outlook Cannot Connect to SMTP Server Error

You try to send an email in Outlook, but it fails with a message that Outlook cannot connect to t...

Microsoft Teams Proxy Server Troubleshooting Checklist

If Microsoft Teams fails to connect, shows a black screen, or keeps signing you out, a misconfigu...