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

Fix PowerShell Access Denied Even When Running as Admin

You launch PowerShell as administrator, but commands still fail with "Access Denied." This is a c...

Windows Security 404 Error: Practical Troubleshooting Checklist

You open Windows Security and get a 404 error instead of the dashboard. This usually means the Se...

Fix 502 Bad Gateway in Task Scheduler

If you're seeing a 502 Bad Gateway error when a Task Scheduler job runs, it usua...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

Fix Windows Defender Blank Screen Error Code

When you open Windows Security and see a blank screen with an error code, it usually means a core...

Fix OneDrive High Memory Usage and Error 0x8004de40

You open Task Manager and see OneDrive using hundreds of megabytes of RAM, and then you get error...