Knowledge base for software setup, errors, and daily tool work.

How to Fix Windows Security Service Unavailable

When Windows Security shows "Service unavailable" or a red banner, your antivirus and firewall pr...

How to Fix Command Prompt Error 0x80070002 (File Not Found)

When you run a command in Command Prompt and see Error 0x80070002, it usually means ...

Fix Microsoft Store File Locked Permission Denied

When installing or updating apps from the Microsoft Store, you may see errors like 'File locked' ...

Windows Security Migration Sync Issue Troubleshooting

After migrating Windows security settings—such as BitLocker keys, Windows Hello, or firewall rule...

Fix OneDrive Sync Dependency Conflict in Office 365

Users sometimes encounter OneDrive sync errors that trace back to a dependency conflict with Offi...

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...