Fix 'Could not get lock /var/lib/dpkg/lock' Error on Ubuntu/Debian
You try to install a package with apt or dpkg, and you get the error: Could not get lock /v...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Fix Command Prompt Not Opening in Windows 10
If you click the Command Prompt shortcut and nothing happens, or it flashes and closes, you're no...
How to Fix a Stuck Command Prompt Update
You start a Windows update and the progress bar stalls at a certain percentage, or the command pr...
Remote Desktop Shows Blank Screen with Only Wallpaper Visible
You connect to a remote Windows machine via RDP, authenticate successfully, but instead of the de...
Fix Outlook Module Not Found Error 0x80040154
You open Outlook and get an error: 0x80040154 — "Class not registered" or "module no...
How to Repair Corrupted Task Scheduler Files in Windows
If your scheduled tasks are not running, throwing errors like “The task image is corrupt or has b...
Issue queue
SitemapOutlook Calendar Not Updating: Practical Fixes
Fix Windows Activation Error 0x8007000d Connection Refused
Blank Cursor in Command Prompt Troubleshooting
Command Prompt Update Troubleshooting Checklist
Fix 'repair-windows-defender' Command Not Found
Cloudflare DNS Failing on Android? Try These Steps
How to Fix Windows Update Cleanup Stuck Issue
Fix Access Denied in Windows Security
Fix Microsoft Store High CPU Usage & Permission Denied Errors
Windows Defender Missing After Update Fix
How to Resolve Error 0x80070005 in CMD
How to Force Reset Command Prompt Settings
Fix Windows Activation Error 0x8007000d Connection Refused
Blank Cursor in Command Prompt Troubleshooting
Command Prompt Update Troubleshooting Checklist
Fix 'repair-windows-defender' Command Not Found
Cloudflare DNS Failing on Android? Try These Steps
How to Fix Windows Update Cleanup Stuck Issue
Fix Access Denied in Windows Security
Fix Microsoft Store High CPU Usage & Permission Denied Errors
Windows Defender Missing After Update Fix
How to Resolve Error 0x80070005 in CMD
How to Force Reset Command Prompt Settings