If the installer extracts es2utilityexe but fails to register it, you can try manual registration:

The installation package may be incomplete or corrupted during the download.

software suite, used to manage scanner settings and test connections. A "system error" during installation typically occurs due to corrupted installation files, conflicting drivers, or security software blocking the executable. Common Solutions Reinstall Epson Scan 2

Leftover EaseUS registry keys can cause conflicts.

Antivirus and Windows Defender can mistakenly block es2utility.exe from writing to disk. Open .

Go to the tab, open Task Manager , and disable all startup items. Restart your PC and run the installation. Advanced Solutions