I'm having an issue with playback from my HIKVision NVR. It's a HNR30P8-8, but I've also seen it with my DS-7616NI-E2/8P and have not been able to track a solution down. Live view is fine absolutely no issues. On my one laptop (Win8-64bit/IE11) I can Live View and Playback with no problems. When I switch over to my other laptop (Win8-64bit/IE11) Live View works just fine but I continually get Playback failed. I'm using the same login accounts and the same playback window on both machines. I tried compatibility mode and even lowering security settings with no luck. At one point I had Chrome working, but now it fails. Any ideas?