in my company we have an app called Solidus ecare , i install this app with silent switch and every thing goes fine , then there is an update i want to setup it silently, this update made by winzip self extractor , i try this switch app.exe /s or app.exe /s v/qn it hide the 1st screen and the 2nd screen but nothing will happened , and when i open task manager i can see msiexec.exe running can anyone tell me what shall i do to setup this update silently ??