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

Fix Windows Defender High Memory Usage

If you notice Windows Defender (Microsoft Defender Antivirus) consuming a lot of memory—sometimes...

Fixing 'Connection Refused' in Command Prompt Due to Firewall

If you see a 'connection refused' message in Command Prompt when trying to connect to a remote se...

How to Fix Outlook Token Expired Error

If you see an error saying your Outlook token has expired, it usually means the authentication to...

How to Install PowerShell Offline Without Internet

If you need to install PowerShell on a machine that has no internet access, the process is straig...

Outlook Authentication Failed: Checklist to Verify Credentials