Please try to perform the following steps:
1. First please click the following link and download the file to your Desktop. When the download completes, run the file and complete the installation: http://www2.incredimail.com/contents/setup/msicuu2.exe
2. Once the installation has been completed, click the 'Start' menu, then select 'All Programs', and select the following file:
"Windows Install Clean Up"
3. In the window that opens, please search the list for 'IncrediMail'.
4. Select it, click 'Remove', and then click 'Exit'.
5. Click here to download the IncrediMail 2 full setup file: http://www.incredimail.com/english/down ... &beta=true
6. Please save the file to your Desktop, and install IncrediMail once the download completes.
Please let me know the results.