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...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Activation Failed: Product Key Blocked Error
You try to activate Windows and see: "Activation failed. The product key you entered didn't work....
Fix SQLite Database Locked on Android: Practical Steps
If you're seeing 'android.database.sqlite.SQLiteDatabaseLockedException: database is locked' or s...
Windows Security Antivirus Not Detecting Threats: How to Fix
If you suspect Windows Security (formerly Windows Defender) is not detecting threats, you might s...
Fix Windows Defender Stuck Loading Service Not Running
If you open Windows Security and see 'Windows Defender Service not running' or it hangs on a load...
Fix 'Windows Activation Command Not Found' by Checking System Files
When you run slmgr.vbs or cscript slmgr.vbs to activate Windows and get...
Topic paths
Quick titles
mstsc.exe High CPU in Task ManagerWindows Security Not Loading? Try These FixesHow to Find Windows Search Log File LocationMicrosoft Teams Not Updating from Office 365Chrome Profile Error Fix GuideBitLocker Domain Connection TroubleshootingOneDrive Access Denied Error Fix GuideWindows Security Log 4625 Failed Login Troubleshooting