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

Fix Command Prompt Not Working After Windows Update

After a Windows update, you might click on Command Prompt and see nothing happen, or it flashes a...

Go Modules Proxy Cache: Clear and Reset Steps

If you're seeing stale or corrupted module versions when building Go projects, the local module c...

Docker Container Restarting Due to Health Check: Causes and Fixes

UFW Deny Port But Still Accessible: Fixes and Checks

You set a UFW deny rule for a specific port, but the port remains accessible from outside. This i...

Fix Windows Activation Performance Issues: Practical Steps

If your Windows system is running slowly or freezing, and you suspect activation issues may be th...

Fix Microsoft Store Not Opening After Windows Update

After a Windows update, the Microsoft Store may fail to open—clicking the icon does nothing, or i...