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

Fix Command Prompt Proxy Settings 502 Bad Gateway

If you see a 502 bad gateway error when using command prompt tools like curl, npm, or git, the pr...

Fix Windows Defender Cache Size Too Large

If you notice that Windows Defender's cache folder is eating up gigabytes of space, you're not al...

Fix Windows Security Version Mismatch Permission Denied

You might see a 'version mismatch' or 'permission denied' error when opening Windows Security, ru...

Windows Update Stuck on Checking for Updates? Here's How to Fix It

You click 'Check for updates' and the progress bar just spins. Minutes turn into hours, and nothi...

Fix OneDrive Sync Error 0x8004de40 on Windows

OneDrive sync error 0x8004de40 usually appears when you try to sign in or sync files. The error m...

Fix VirtualBox Kernel Driver Permission Denied on Linux