Finally it works, i can't figure out the real reason for the problem. begin; szProgram = PROGRAMFILES ^ "InstallShield Installation Information"^"{}"^"setup.exe";LaunchAppAndWait(szProgram,"/uninst", LAAW_OPTION_WAIT_INCL_CHILD | LAAW_OPTION_USE_SHEL...
Thx, but it doesn't work, because the old app has no msi entry. It was an Installscript - Install only. The script starts -> popup yes/no and wait as i wished, but if i push yes for uninstall the result is an error because the old install can't detec...
Hey there...I built an Basic MSI Installation with different scripts and custom actions inside that all work fine. There is one script which checks for older versions of the application and if it detects one of these it will be uninstall the old vers...