Checklists for software errors, setup, and tool workflows.

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...

Fix Windows Search Sync Issues with OneDrive

If you notice that Windows Search isn't finding files stored in OneDrive, or search results are m...

Fix Chrome Update Error 12 on Windows 10

If you see "Update failed (error: 12)" when trying to update Google Chrome on Windows 10, the upd...

Chrome Sync Not Working with Multiple Profiles: Fixes

If you use multiple Chrome profiles and sync stops working—bookmarks missing, passwords not updat...

Fix PowerShell Invalid Configuration After Update

After a Windows or PowerShell update, you may see errors like “Invalid configuration” or “Configu...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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