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

How to Recover a Deleted Firefox Profile Folder

If you accidentally deleted your Firefox profile folder, your bookmarks, passwords, and settings ...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

Fix OneDrive Sync Rate Limit Error on Windows 11

If you see a "rate limit exceeded" error in OneDrive on Windows 11, syncing stops temporarily. Th...

Fix Task Scheduler 'Run with Highest Privileges' Access Denied

You set a Windows Task Scheduler task to run with highest privileges, but it fails with an access...

Fix Windows Update Offline Installer Network Error

When you run the Windows Update offline installer (the .msu file) and get a network error, it usu...

Fixing Chrome Service Unavailable Error on Linux

If you see a 'Service Unavailable' error in Chrome on Linux, it's usually a network or configurat...