I am using free JoomSEF and Free hwdvideoshare, and paid hwdvideoshare extension for JoomSEF. All latest editions. I can't get them to work together. It simply will not work. I paid for the extension hoping it would neutralize the problem but it still persists.

I have a menu link pointing to hwdvideoshare frontpage, which is only working if SEF is disabled. If enabled it would first go into a redirect loop, and now it keeps giving the error:

Fatal error: Uncaught Exception: 190: Error validating application. thrown in C:\mysite\plugins\system\base_facebook.php on line 708

Im working atm on wampserver localhost.
But noone else is experiencing this problem so i cant find a solution. The extension is not providing the sef for hwdvideoshare, the links seem to not exist (even if they are listed in the joosef control panel), however, should i use direct link without sef optimized one, it works just fine.