I've been using DivFix++ for a few years with happy results on WinXP x32. I recently installed v0.34 x64 & x32 on a new Win7x64 Intel 4core system with 4GB RAM. It generally works, but is really, really slow. What used to take a minute or two on the XPx32 Dual Core with 2GB RAM, now takes 15-20 min or more on the faster system. Similar results with both x32 & x64 versions both with and without admin privileges. I tried downgrading to v0.33x32 with very similar results...works, but really, really slow. Just for comparison, the same AVI can be "fixed" by VDub Direct Stream Copy in about 1 min. I'm wondering if there might be some sort of issue with Win7x64 Multi-core systems? None of the cores appear to be particularly taxed...even with other software running (Tbrid, Firefox, Downloder, etc.), CPU usage rarely hits 7% while DivFix++ is fixing a file. How can I further help troubleshoot this issue?