Follow these steps:
1. Delete ilasm.exe from c:\program files\Anywhere Software\Basic4ppc Desktop.
2. I understand that you've already installed Microsoft .Net 1.1, if not install it:
http://www.microsoft.com/downloads/d...DisplayLang=en
3. Depending on your security settings you might be forced to run Basic4ppc as an administrator:
Locate Dbasic.exe in the same folder, right click on it - choose Compatibility tab - Run As Administrator.