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

Check Which Process Is Using a Port on Windows

When a service or application fails to start because a port is already in use, you need to identi...

WireGuard Handshake Failure: Configuration Check Guide

You've set up WireGuard, but the handshake keeps failing. The tunnel won't establish, and you see...

Fix Edge Browser Not Working After Update

After a Windows or Edge update, the browser may fail to launch, freeze, or display blank pages. T...

Fix Windows Security Authentication Error 0x80070035

Fix VMware Network Adapter Not Showing in Device Manager

If you open Device Manager and don't see any VMware network adapters (like VMware VMnet1 or VMnet...

How to Fix Outlook Rate Limit Error in Office 365

Understanding the Error

You may see a message like "Too many requests" or "Server busy" ...