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

Fix Outlook Add-In Conflict That Prevents Startup

You launch Outlook and it crashes or hangs before the main window appears. A common cause is a co...

Fix Windows Terminal Permission Denied File Locked Error

How to Fix Chrome Profile 404 Not Found Sync Error

You open Chrome and see a '404 Not Found' error linked to your profile, or sync stops working wit...

How to Configure Command Prompt for System Repair

When Windows won't boot or runs into persistent errors, Command Prompt often provides the tools t...

Fix Windows Activation slui.exe Not Opening

When you try to activate Windows using the Settings app or a command, slui.exe (Software Licensin...

Fix OpenVPN Permission Denied on Tun Device

When running OpenVPN, you might see an error like ERROR: Cannot open TUN/TAP dev /dev/net/t...