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

Fix git index.lock File Exists Error on Windows

If you see fatal: Unable to create 'index.lock': File exists. when running G...

Fix Windows Cannot Access Shared Folder Error 0x80070035

When you try to access a shared folder on another computer and see "Windows cannot access \\c...

Fix Cloudflare Wildcard Subdomain Not Working

If you've set up a wildcard DNS record in Cloudflare (e.g., *.example.com) but s...

Fix Windows Update Error 0x80070002 by Resetting SoftwareDistribution Folder

Windows Update error 0x80070002 often appears when the system cannot find or access the update fi...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer Certificate

Fix Windows Security App Access Denied Error

When you open Windows Security (formerly Windows Defender Security Center) and see an 'Access...