Fix Windows Security Antivirus Not Turning On
You open Windows Security and see that the antivirus is off, with no obvious way to turn it on. T...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listSetup Chrome Profile Reset Settings for New User
If you're setting up a shared computer or handing off a machine to a new user, resetting Chrome s...
Fix Ubuntu APT Lock Not Released After Update
After running an update or upgrade on Ubuntu, you may see an error like E: Could not get lo...
Fix Windows Search Not Indexing on Mac in Boot Camp or VM
If you're running Windows on a Mac via Boot Camp or a virtual machine (like Parallels Desktop or ...
How to Fix Command Prompt Module Not Found Error
When you type a command in Command Prompt and see 'module not found' or 'command not recognized',...
How to Fix Apache Service Not Starting on Windows
When Apache fails to start as a service on Windows, the event log usually shows a generic error. ...
Topic paths
Quick titles
Outlook SSL Certificate Error: Step-by-Step FixHow to Fix Teams Blank Screen After Windows 10 UpdateQuick Checklist for OneDrive Sync ProblemsWSL Ubuntu Network Configuration ChecklistConfiguring Command Prompt for Windows System RepairHow to Configure Windows Security FirewallHow to Fix Scheduled Task Access DeniedResolve Chrome PROFILE_MODULE_NOT_FOUND Error