Use this hack if you have more than one 16-bit application left over from the days of your nostalgia. XP runs all 16-bit applications in a single process. Having a separate process for each application can increase their stability and process.
Navigate to:
HLM\ SYSTEM\ CurrentControlSet\ Control\ WOW
Browse to the String DefaultSeparateVDM. If it’s not there, you’ll need to create it. Set its value to Yes.
