Bits Link: Driver Avermedia A857 Windows 7 64

If the above methods are too complex, consider running the Avermedia A857 inside (free from Microsoft for Windows 7 Professional/Ultimate). However, pass-through of PCIe capture cards in Virtual PC is notoriously buggy. The native driver method is superior.

AVerMedia_A857_x64_Win7_1.0.6.50.zip SHA256 Checksum: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 (example – verify yours) Driver Avermedia A857 Windows 7 64 Bits LINK

After extensive archiving work, the last known stable driver for the A857 on Windows 7 64-bit is version (signed for Vista 64-bit, but fully compatible with Win7 64). If the above methods are too complex, consider