After 1st installation a6 (other versions weren't installed) 3d max 2014 dont run! appeared inscription "Send Report". All updates on my Win7 don't helps. After deleting of all Corona files 3d max runing normal.I'm try uninstall like in this page
https://corona-renderer.com/wiki/installation#troubleshooting - I have no results..... I deleted all the binaries with “Corona” in their name inside
