i had pro version 2.2.1. it informed me version 2.4 was available, but it could not download 2.4. the download would hang.

i downloaded and installed 2.4 directly. i received no error messages during the install. however, 2.4 would not run. nor would the 2.2.1 version.

i uninstalled both versions, and re-downloaded and re-installed 2.4. no errors during install. however, 2.4 cannot load or run javaw.exe.

what do i try next?