Fix Command Prompt Not Working After Windows Update
After a Windows update, you might click Command Prompt and nothing happens—or it opens and closes...
Software comparisons, alternatives, and tool decision notes.
Fit
Decision
Migration
Latest comparisons
Browse labFix 'File Locked by System Process' in Windows 10 Search
When you search for a file in Windows 10 and get an error that the file is locked by a system pro...
Check for Malware When Windows Activation Causes High CPU Usage
If your computer's CPU usage spikes after a Windows activation attempt, malware may be the culpri...
Fix PowerShell Cannot Connect to Office 365
You open PowerShell, run a command to connect to Office 365, and get an error: "Cannot connect to...
Fix Task Scheduler Authentication Failed After Password Reset
You changed your Windows password and now scheduled tasks fail with “authentication failed” error...
Fix Windows Defender Blocked by Group Policy Permission Denied
You try to open Windows Defender Security Center or run a scan, but get an error: "Windows Defend...