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

Ubuntu Task Scheduler: Cron Job Setup Guide

Cron is the default task scheduler in Ubuntu. It runs commands or scripts at specified times, dat...

Fix Windows Update Stuck at Blank Screen During Automatic Repair

You're running Windows Update, and after a restart, the screen goes blank—no cursor, no logo, jus...

How to Fix Remote Desktop Not Working with VPN Connection

You’re connected to your company VPN, but Remote Desktop can’t reach the target PC. This is a com...

Remote Desktop Not Connecting After Update: Practical Fixes

After a Windows update, Remote Desktop may fail to connect. You might see errors like “This compu...

How to Fix Abnormal Memory Usage in CMD on Windows

How to Fix Windows Activation Proxy Error

If you see "We can't activate Windows on this device because of a proxy error" or similar, your s...