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

Fix Microsoft Store High Memory Usage on Windows

If you notice Microsoft Store consuming gigabytes of RAM in Task Manager, you're not alone. This ...

Fix Windows Activation Not Connecting to Server

You try to activate Windows, but you see an error saying it can't connect to the activation serve...

Fix Nginx Config Test Fails with 'upstream host not found'

You run nginx -t and get upstream host not found. The config test fails...

Fix BitLocker Service Unavailable Due to Group Policy

You might see 'BitLocker service unavailable' when trying to enable BitLocker or manage encrypted...

Fix Windows Terminal File Locked Error 0x80070020

When you try to open a file in Windows Terminal and get error 0x80070020, it usually means the fi...

Certbot Renewal Failed Due to Nginx Configuration: How to Fix