B belonni New Member Dec 18, 2010 #1 how to fix this problem Windows Installer Error 1620 This installation package could not be opened. Contact the application vendor to verify that this is a valid Windows Installer package.
how to fix this problem Windows Installer Error 1620 This installation package could not be opened. Contact the application vendor to verify that this is a valid Windows Installer package.
boo-boo banned Dec 18, 2010 #2 Try this and see if it works. http://www.appdeploy.com/msierrors/detail.asp?id=26