Gents, you will need to patch HSFX 6.0 to version 6.01 - there is a hotfix patch downloadable from the vault.
GET THE UPDATER. It will install to your Il-2 root folder & will want to update some Microsoft runtime functions. Let it. Then find the updater icon in your root Il-2 folder and run it. We are at the time of this post at version 6.015 and it might take some time depending on your connection to d/l 6.011, 6.012, 6.013 , 6.014 & 6.015.
Thereafter check this thread: http://www.242sqn.com/phpBB2/viewforum.php?f=30&sid=6eb1189668ab00dea7724e4fafb8dbe2 , probably once a week should do it, to make sure that you are up to date. As some of you have discovered, get too far behind and you'll lose a night's flying just catching up with updates. Better to do 'em one at a time.