Q7. What's the difference between Plus!95 and Plus!98 themes?

Plus!95 themes can work in Plus!98 but not vice versa. The icons of a Plus!98 theme will not load in Plus!95 simply because the icons are specified differently in the .theme file.You can fix this problem by editing the .theme file, but it is best to inform the theme creator about it and he/she can give you a patch. But if you are adventurous enough to edit the .theme file yourself, this is how you do it.

A Plus! 98 .theme file icon code looks like this: [Software\Classes\CLSID\{20D04FE0-3AEA-1069-A2D8-08002B30309D}\DefaultIcon] DefaultValue=%ThemeDir%Theme My Computer.ico,0

A Plus! 95 .theme file icon code looks like this:
[CLSID\{20D04FE0-3AEA-1069-A2D8-08002B30309D}\DefaultIcon] DefaultValue=%ThemeDir%Theme My Computer.ico,0

So to make the Plus!98 .theme file to work in Plus!95, remove all instances of "Software\Classes\" from the icon code.