Try installing this:
https://www.microsoft.com/en-us/download/details.aspx?id=21
If that doesn’t work, I recommend you upgrade to Windows 7 or Windows 10 because XP is 15 years old.
it was working perfectly yesterday though
Can you try disabling AVG? AVG hasn’t been liking Horizon and Infinity lately.
it is… it says that its a system configuration error and then says something about my digital product id???
also its going on about the ‘operating system version and computer hardware in use’
Thanks for posting that screenshot!
Here is a new version of Horizon to test out:
https://wemod.s3.amazonaws.com/horizon/Horizon-Setup.exe
If that doesn’t work, try deleting the following folder:
C:\Documents and Settings\YOUR_USERNAME\Local Settings\Application Data\Daring_Development_Inc