Icons In Device Manager Issue After Installation Of USB Device Drivers
We had a (small) issue when installing our USB device driver on Windows 7 RC. I downloaded the newest WDK, created and signed with Authenticode a new cat file including the new OS, and built a simple installer for installing the drivers.
We used the recommended functions like CryptCATAdminAcquireContext, CryptCATAdminAddCatalog, CryptCATAdminReleaseCatalogContext and CryptCATAdminReleaseContext as well as SetupCopyOEMInf.
We created a new device class and therefore the drivers appeared in the device manager as "unknown devices". We added the registry keys for displaying the mini icon for "USB devices". This worked pretty well on Vista64. Using the same installer script on Windows 7 (64-bit) still showed the "unknown devices" in the device manager.
As we have to prepare now our installers to be compatible with Windows 7 and we need to know if this is a bug or if there exists a workaround.
View Replies (Posted: Tuesday, June 30, 2009 9:28 AM)
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