Previously it was said that avg download do not support windows vista. This has proved false now. Only additional patch is needed and AVG Free is also compatible to vista. AVG Free has developed some new techniques for virus detection. Now has improved on healing and removing virus on 32-bit NT systems. AVG Free has fixed the initiating problem with vista. AVG Free has fixed the problem of scanning when C: drive is missing. It has fixed problem of the subject change if virus is been found in vista. If the mails are not delivered to their destination due to some reason, the e-mails are returned correctly.