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

How to Unlock APT in Ubuntu: Fix Locked Package Manager

If you see an error like 'Could not get lock /var/lib/dpkg/lock' or 'Unable to acquire the dpkg f...

OneDrive Sync Ubuntu: Setup Checklist for New Users

Before You Start

OneDrive doesn't have an official Linux client. Ubuntu users rely on the...

Windows Defender Real-Time Protection Won’t Turn Off: Fixes

You go into Windows Security, toggle off real-time protection, and within a few minutes it’s back...

Setup OneDrive Sync for New Tenant After Migration

After a tenant-to-tenant migration, OneDrive sync often breaks because the client caches the old ...

Avoiding SQLite Locking Errors with WAL Journal Mode

If your application frequently hits database is locked errors when multiple processe...

Fix 'Windows Update Auto Start Service Not Found' Error

You may see a message that the Windows Update auto-start service is not found, often when trying ...