Sorry to hear that. A Google search for "iaWin.exe" doesn't bring up any
links, which usually means it is malware. However, it could certainly be
part of something else.
Since you didn't provide any useful information so anyone can help you,
that's all I can say. If you still want help, go to at least some of
these links to see what details you need to include in your next post:
Want to reply to this thread or ask your own question?
You'll need to choose a username for the site, which only take a couple of moments. After that, you can post your question and our members will help you out.