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

Fix Windows Activation High CPU Usage with Clean Boot

If your system's CPU usage spikes after a Windows activation check, a clean boot can help identif...

How to Fix Microsoft Teams 502 Bad Gateway Connection Issue

When Microsoft Teams shows a 502 Bad Gateway error, it usually means the server received an inval...

Fix Task Scheduler 'Access Denied' When Running as Admin

You set a Task Scheduler task to run with highest privileges (administrator), but it fails with a...

Fix Windows Search Blank Screen Error 0x80070002

If you open Windows Search and see a blank screen or empty results along with error code 0x800700...

Fix kubectl Apply Forbidden in AKS: Permission Denied

Fix Windows Activation Blank Screen After Login

You log into Windows, but instead of your desktop, you see a blank screen—often with only a curso...