Same here. You could also try installing the Windows XP compatibility mode feature manually through "Turn Windows features on or off." Another option is to look into a lightweight compatibility layer like OTVDM for really old 16-bit dependencies. Hope that helps.
Yeah, that's a solid approach. Also, check if the program's installer or main .exe file has a "Compatibility" tab in its properties—sometimes setting it for XP Service Pack 3 there does the trick. Let me know if that works.
Can confirm. I had the same problem with an old lab instrument program. I got it working by using the Program Compatibility Troubleshooter in Windows 11 and also running the installer as an administrator.
You could also try manually setting the compatibility mode for both the installer and the .exe file to Windows XP Service Pack 3. Another option is to check if the software's developer offers any legacy patches or updates.