We have had a few programs with issues. I like Publisher Pro for design and image editing, but it throws a "issue" warning every time I close. Program works fine though. My husband has a few programs that he searched and found patches online. If the programs are really important to you then you might be able to find patches online or request a fix from the company.
found this on yahoo answers for TI Interactive:
[url="http://answers.yahoo.com/question/index?qid=20080426235122AAXOrn2"]http://answers.yahoo.com/question/index ... 122AAXOrn2[/url]
I would imagine a company as tech as TI would have a Vista fix.