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

BitLocker Blank Screen: No Password Prompt Fix

You boot your Windows PC and see a blank screen instead of the BitLocker password prompt. The sys...

Fix Maven Dependency Resolution Failed in IntelliJ

Fix Windows Update Error 0x80070002 Version Mismatch

You run Windows Update and get error 0x80070002 with a message about a version mismatch. This usu...

Chrome Profile Configuration Checklist for Troubleshooting

If Chrome behaves oddly—settings reset, extensions disappear, or bookmarks vanish—the profile con...

Fix Windows Defender Port Already Allocated in Windows 11

You start a program that needs a specific network port, but Windows 11 tells you the port is alre...

Fix Windows Update 504 Gateway Timeout on Windows 10

If you see a 504 Gateway Timeout error when running Windows Update on Windows 10, it usually mean...