If the legacy activation servers are completely offline and you cannot unlock the internal MPEG-4 codec, the most reliable workaround is to into a format Pinnacle Studio 14 supports natively without extra activation, such as AVI (DV) or MPEG-2 .
However, for most versions of Studio 14, MPEG-4 activation was intended to be upon registration. Official & Safe Ways to Activate pinnacle studio 14 mpeg4 activation key verified