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

Fix Discord Black Screen from Chrome Hardware Acceleration

Why Chrome Hardware Acceleration Causes Discord Black Screen

When Chrome uses hardware a...

Fix Windows Update Service Not Running for System Restore

You might see “System Restore did not complete successfully” or “Windows Update service is not ru...

Error 0x80070080002 Windows Update: Step-by-Step Fix

Error 0x80070002 in Windows Update usually means the update files are missing or corrupted, or th...

Fix Remote Desktop Error 0x80004005: Credential and Network Checks

When you attempt to connect to a remote PC and see error 0x80004005, the connection usually fails...

Fix Chrome Certificate Error: Invalid Authority with Proxy Settings

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

Fix Windows 11 WiFi Connected but No Internet After Sleep

You wake your Windows 11 PC from sleep, the WiFi icon shows connected, but you can't load any...