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

Fix Windows Update Error 0x80070005 by Taking Ownership

What Causes Error 0x80070005?

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

Fix Chrome Certificate Error: Invalid Authority with Proxy Settings

You open Chrome and see NET::ERR_CERT_AUTHORITY_INVALID on every site, even trus...

How to Fix Windows 11 Installation Assistant Stuck at 99%

You're running the Windows 11 Installation Assistant, it reaches 99%, and then... nothing. Th...

Fix Python Memory Errors When Processing Large Files

When processing large files in Python, a MemoryError often occurs because the entire...

Firefox Secure Connection Failed: Date and Time Fix

If you see a 'Secure Connection Failed' error in Firefox that mentions date or time, it u...

Python Virtual Environment Not Activating After Install: Fixes

You installed a Python virtual environment with python -m venv myenv, but when you t...