If you look back at either this forum or Wilders, you will find Lockdown mentioning Appguard 188.8.131.52 is almost the same as SoloUsing AppGuard is one thing, but using outdated software (like ver. 4) is another thing. AppGuard Solo has got several important updates to be most compatible with Windows 10. So, there can be problems with using AppGuard 4 on some computers. Anyway, the security abilities of ver. 4 are still very strong. If one uses AppGuard 4 at home without problems, then it is a good solution.
Oh and remember Umbra? He beta tested for Appguard as well as was known to come back here too.
Andy can you tell me the big difference in my version compared to Solo? Many people were testing the beta of my version on Windows 10. I am currently using it on Enterprise..