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

Fix Windows Defender Token Expired in Safe Mode

If you see a 'token expired' message when trying to run Windows Defender in Safe Mode, it usually...

Fix Putty Connection Refused Due to Windows Firewall

You're trying to SSH into a remote server using Putty, but you get a 'Connection refused' error. ...

How to Release a File Lock from a PowerShell Script

When a PowerShell script leaves a file locked—perhaps due to an incomplete read/write operation o...

How to Fix Windows Activation High CPU Usage

If you notice your PC's CPU usage spiking to 100% for no clear reason, a hung or misconfigured Wi...

How to Fix PowerShell Version Mismatch Error

Fix Outlook Data File Access Denied Error on Windows 10

When you see 'Outlook data file access denied' on Windows 10, Outlook cannot read your .pst or .o...