How to Remove the Ubuntu dpkg Lock File
When you see an error like 'E: Could not get lock /var/lib/dpkg/lock' or 'E: Unable to lock the a...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labChecklist for Fixing Windows Security Startup Failure
When Windows Security (formerly Windows Defender) fails to start at boot, you may see an error li...
Fix OneDrive Sync Access Denied Error in Windows 10
You open OneDrive and see 'Access Denied' next to a file or folder, or sync simply stops with tha...
Fix Task Scheduler Authentication Failed on Windows 10
If you see 'Task Scheduler authentication failed' when running a scheduled task, it usually means...
Fix Remote Desktop 502 Bad Gateway Proxy Issues
You're trying to connect to a remote desktop through a web proxy and you see a 502 Bad Gateway er...
Fix Windows Security Error: Missing Security Center
If you see an error saying Windows Security Center is missing or unavailable, it usually means th...