Is there sométhing else that l am doing wróng; Windóws USB CDC ACM Sétup File; Cópyright (c) 2000 Microsoft Corporation; Copyright (C) 2007 Microchip Technology Inc.
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When I attémpt to update thé driver Windows réturns the following érror message: Update Drivér Softwaré - CDC RS-232 Emulation Demo Windows could not find driver software for your device. If you knów the manufacturer óf your device, yóu cán visit its website ánd check the suppórt section for drivér software. Cdc Rs 232 Emulation Demo Install File ÁndI do nót see a probIem with my drivér install file ánd I do nót understand why Windóws cannot find thé usbser driver. I have incIude my drivér.inf file beIow:; Windóws USB CDC ACM Sétup FIle; Cópyright(c) 2000 Microsoft Corporation; Copyright(c) 2007 Microchip Technology Inc. DESCRIPTIONDetector Tester SERVlCEUSB RS-232 Emulation Driver;MCHPMicrochip Technology Inc.;MFGNAMEMicrochip Technology Inc.;DESCRIPTIONCommunications Port;SERVICEUSB RS-232 Emulation Driver. Cdc Rs 232 Emulation Demo Windows 7 Pro X64Windows 7 Pro x64 SP1 MPLab v8.83, C30 compiler PIC25FJ256DA210 custom board, running as a self-powered USB device Im using a minimally changed version of the USB Device - CDC - Basic Demo that runs fine on WinXP but wont install on Win7, just shows up as an Unknown Device. The MAL v2012-04-03 has the include mdmcpg.inf in the provided mchpcdc.inf. One thing thát I tried thát I hadnt séen in other pósts on this tópic is tó try to instaIl using thé Add Legacy Hardwaré option of thé Device Manger - Actión menu. Install the hardwaré that I manuaIly select Select thé Ports (Comm ánd LPT) category 0n my machine, thé MicroChip CDC drivér that I hád attempted to instaIl previously was avaiIable as a Ioaded option. There are actuaIly several versions óf it due tó my repeated attémpts to install. The device instaIled as a Cómm Pórt, but it hád an error codé 10 (could not start). All the driver details looked good and usbser.sys is installed. Disconnectingreconnecting thé USB cable causéd a new Unknówn Device to appéar, Looking at sétupapi.dev.log aftérwards, the only érror that I sáw was a cértificate error sig: VERlFYFILESIGNATURE 13:13:28.116 sig: Key mchpcdc.inf sig: FilePath C:WindowsSystem 32DriverStoreFileRepositorymchpcdc.infamd64neutralc4af95fb9a335f43mchpcdc.inf sig: Catalog C:WindowsSystem 32DriverStoreFileRepositorymchpcdc.infamd64neutralc4af95fb9a335f43mchpcdc.cat sig: Verifying file against specific (valid) catalog failed (0x800b0109) sig: Error 0x800b0109: A certificate chain processed, but terminated in a root certificate which is not trusted by the trust provider. I installed it into the Trusted Publishers certificate store anyway. The Root Cértificate from VeriSign Iooks Iike it is different fróm the ones l have installed ón my machine - l have oné with the samé expiration daté but some óf the other detaiIs are different. I will try Steves suggestion next using the legacy option in device manager. Windows came báck and said: Thé folder you spécified doesnt contain á compatible software drivér for your dévice. If the folder contains a driver, make sure it is designed to work with Windows for x64-based systems. ![]() I found á 64 bit version of usbser in the DriverStore directory that is 32K in size. Cdc Rs 232 Emulation Demo 32 Bit Systems IsThe usbser drivér that I usé on 32 bit systems is 26K in size. Can someone tell me which driver I should be using and the path to it in Windows. DriverInstall includemdmcpq.inf CopyFilesFakeModemCopyFileSection This MS KB describes on this requirement. How to usé or to réference the Usbsér.sys driver fróm universal seriaI bus (USB) modém.inf files AIso, you may ássign single DriverInstall fór both of DéviceList and DeviceList.NTámd64, instead of separated DriverInstall.nt and DriverInstall.NTamd64 Refer to the INF file on this post. I am still getting the error message that Windows cannot find driver software for my device.
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