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

Microsoft Teams File Locked: Troubleshooting Checklist

When you see 'This file is locked' or 'The file is in use' while trying to edit a file in Microso...

Microsoft Store Error 0x80072efd DNS Fix Guide

If you see error 0x80072efd when opening Microsoft Store, it usually means the app can't reach it...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

Fix Microsoft Teams Connection Refused by Proxy Server

When Microsoft Teams shows a 'connection refused' error and mentions a proxy server, it usually m...

Fix Outlook Authentication Failed Error in Exchange Settings

You open Outlook and see an authentication failed error tied to your Exchange account. The passwo...

Fix Remote Desktop Log File Permission Denied Error

When you try to open a remote desktop log file—often located in %WINDIR%\System32\winevt\Lo...