Hello, our Installation needs to unzip a compressed folder into INSTALLDIR. Adding the unziped files to components isn't an option because files and subfolders are changing very often. I created a CustomAction to unzip the installed zip-file. Running the Setup as ADMINITSTRATOR worked fine, but 'objTarget.CopyHere objSource, intOptions' doesn't work as SYSTEM. set objShell = CreateObject( "Shell.Application" ) set objSource = objShell.NameSpace( zip ).Items( ) set objTarget = objShell.NameSpace(INSTALLDIR) intOptions = 20 objTarget.CopyHere objSource, intOptions   Any help to unzip in System Context would be great. ... View more