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

Windows Security Antivirus Not Detecting Threats: How to Fix

If you suspect Windows Security (formerly Windows Defender) is not detecting threats, you might s...

Fix Blank Screen After Windows Update 2024

If you see a blank screen after installing a Windows Update in 2024, you're not alone. This issue...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Fix Remote Desktop Token Expired Certificate Error

When connecting to a remote desktop, you may see an error that the token has expired or the certi...

Microsoft Teams 404 Error: Causes and Fixes

When you see a 404 error in Microsoft Teams, it usually means the app can't find a specific resou...

Fix Outlook Connection Refused Error 0x80040115

Outlook error 0x80040115 usually appears as "Connection refused" or "Cannot start Microsoft Outlo...