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

How to Fix Windows Security File Locked Permission Denied Error

You try to delete or move a file, and Windows Security says it's locked or you lack permission. T...

Fix Microsoft Teams Token Expired Not Working

If you see "token expired" in Microsoft Teams and the app stops working, it usually means your au...

Fix Windows Update 504 Gateway Timeout Related to Firewall Settings

If you see a 504 gateway timeout when running Windows Update, it usually means the update server ...

Fix Windows Terminal High CPU Usage: Practical Steps

You open Task Manager and see Windows Terminal using 20–40% CPU even when idle. This usually poin...

How to Fix Outlook Setup Error 'Cannot Start Microsoft Outlook'