Pre-VX releases are not side-by-side compatible. If you have both pre-VX and VX releases installed, and a pre-VX release is active, no other release can be active at the same time. Switching to a pre-VX release registers the release and unregisters all others.
The following procedure shows an example of switching from PADS VX.2.6 to PADS 9.5.
You have at least one VX release (VX.2.6 in this example) installed.
You have at least one pre-VX release (PADS 9.5 in this example) installed.
You have administrator privileges on the system.
The registrator.exe program runs from the VX.2.6 installation tree with the -clean option and removes the VX.2.6 registration and items from the Start menu. If your system has any other registered VX releases, the registrator.exe program repeats the process for each one.
The configurator.exe program runs and creates the PADS 9.5 registration and Start menu items.