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

Fix Yarn Install Timeout in CI/CD Pipelines

When running yarn install in a CI/CD pipeline, you may encounter a timeout error, es...

Unlock a File Locked by System Command Prompt

You try to delete or move a file, but Windows says it's open in 'System' or 'Command Prompt'. Thi...

Fix Windows Activation Authentication Failed After Hardware Change

After upgrading your PC's motherboard, CPU, or other major hardware, Windows may display an activ...

Fix DNS Server Not Responding in Windows Search

When you search for network printers, shared folders, or other devices from the Windows Search ba...

Fix Task Scheduler Sync Issues with Microsoft Account

Fix 'Windows Activation Service Not Starting' Permission Denied

When you see "Windows Activation Service not starting" with a "permission denied" error, the serv...