This was technical issue. Windows 9 had issue that a lot of software had checks if this is windows 95/98 by comparing only windows 9 part, this caused in testin

This was technical issue. Windows 9 had issue that a lot of software had checks if this is windows 95/98 by comparing only windows 9 part, this caused in testing that some software was throwing errors on windows 9, that you need something like windows xp