For more information on unzipping files, see How Do I Unzip a File in Windows XP?or How Do I Use the WinZip Utility in Windows 2000 or Earlier?.ĭouble-click the IsScript.msi file. msi extension in the same directory as the installation file.ĭelete the folder C:\Program Files\Common Files\InstallShield\Driver\7 from the machine. If the file version number starts with 7:Ĭheck if there is a file with a. If the file version number starts with 6: This installs the InstallShield engine for your installation. If the file version number is 2.0x or less:ĭelete the folder C:\Program Files\Common Files\InstallShield\engine from the machine. If you started the installation in Step 1d, cancel it. Follow the instructions for your version. Look at the File Version field to determine the version number of the InstallShield engine you need. In the Properties dialog, click on the Version tab. Right-click on the installation file that you are trying to install and select Properties.
