If the installation fails silently, check the Temp folder ( %TEMP% ) for log files beginning with "EPS" or "Setup" to identify the error code. Summary Table /s Total UI Suppression /s /v /qn Prevent Reboot /norestart or REBOOT=ReallySuppress Log Output /l*v "C:\EPS_Log.txt"
Avoid guessing with /? , -q , or /S . Stick to Inno Setup’s documented switches. By integrating the correct parameters with SCCM, Intune, or Group Policy, you can deploy EPSON drivers to thousands of workstations without a single user prompt. epskitx64exe silent install parameters verified
epskitx64.exe /s /v"/qn /norestart /l*v C:\temp\epskit_install.log" If the installation fails silently, check the Temp
Some verifications, she realized, were designed to catch bugs. Others were designed to catch the people who thought verification made them safe. Stick to Inno Setup’s documented switches
Always include /LOG="C:\Temp\epson.log" . Open the log and search for [Exception] or Return code: .
If the installation is part of a script, include a line to delete the installer from the local temp folder once the process returns an Exit Code 0 (Success).
pnputil /add-driver "C:\extracted\driver\*.inf" /install /subdirs