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

Windows 11 Installation Assistant Stuck at 99%: How to Reset and Finish

You're upgrading to Windows 11 using the Installation Assistant, and it gets stuck at 99% for...

Chrome Memory Optimization Settings: Reduce RAM Usage

Chrome is known for eating RAM, especially with many tabs open. If your system slows down or you ...

Fix Windows Update Service Not Running After SFC Scan

If you ran an SFC scan to fix system file corruption and now the Windows Update service won't...

How to Fix Nginx 'Upstream Connection Refused' Error

When Nginx returns a 502 Bad Gateway with upstream connection refused in the error l...

How to Reset Remote Desktop Connection Settings

If you are having trouble connecting to a remote PC—maybe you keep seeing authentication errors, ...

Fix Windows Update Error 0x80070005 by Taking Ownership

What Causes Error 0x80070005?

This error usually means Windows Update doesn't have pe...