Microstudio Installation Error #0x80040707

[Roy Cooper]

A little history, I installed Microstudio Demo verison, it worked as stated. I downloaded the full verison with keys and installed before removing the demo verison. I had problems with it recognizing the CD, so I removed both verisons. Since then I have received the error every time I try to reinstall. I search and found a similar error message in the knowledge base but it ended with a 3 instead of a 7. I did what was recommended for that error, have updated XP (Express and Custom) now have 0 updates in both, and still continue to get the error.

Any Suggestion?????

Roy