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09 Jun 2009  

Windows 7 build 7201
Leadtek Winfast DTV2000H, works in 7100 but not 7201

Hi folks. Great forum! Been reading for a while; first post now.

Just upgraded from 7100 to 7201 (x64) and was informed by setup that my Leadtek Winfast DTV2000H TV tuner driver was not compatible. So I moved cxavsvid.sys (CX2388x X64 v5.0.18.6420) to allow setup to proceed. The upgrade process ran smoothly, albeit taking several hours!

On first start up, Windows Update downloaded drivers for the DTV2000H (the same as previously installed it seems) but device manager now states..

"The software for this device has been blocked from starting because it is known to have problems with Windows. Contact the hardware vendor for a new driver. (Code 48)"

I've tried every driver I could find on the net, but nothing gets the card going again. It ran really well in 7100 so this was most unexpected.

Has anyone had success in getting around this? Or have any suggestions on things to try? I'm resisting going back to 7100..

My System SpecsSystem Spec