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0x0000: The device did not provide a valid response to the Microsoft OS string descriptor request.If the previously-attempted OS descriptor query was successful, the value contains the vendor code from the OS string descriptor. Indicates whether the operating system queried the device for Microsoft-defined USB descriptors. The USB driver stack considers these entries to be read-only values. The following table describes the possible registry entries for the vvvvpppprrrr key. The USB_DEVICE_DESCRIPTOR structure describes a device descriptor. The vendor ID, product ID, and revision number values are obtained from the USB device descriptor. rrrr is a 4-digit hexadecimal number that contains the revision number of the device.pppp is a 4-digit hexadecimal number that identifies the product.vvvv is a 4-digit hexadecimal number that identifies the vendor.The registry entries described in this topic are found under this key: HKEY_LOCAL_MACHINE If you are a customer experiencing USB problems, see Troubleshoot common USB problems Registry settings for configuring USB driver stack behavior Make sure you’re in C:Windowsbak!!Ĭlick on each one individually and then press F2 to rename them.This topic is for programmers. You need to select and copy (do not cut!) the following files so you can paste them into C:Windowsbak:Ħ.Now you need to rename the files that you’ve just copied to C:Windowsbak. In the ‘RP…’ folder, you should see a sub-folder called ‘snapshot’. Go for the second oldest one – write down the date and then open it.ĥ.Now you want to copy the registry files from there to your C:Windowsbak: Don’t go for the newest one in case it also contains the problem. Check the ‘Date Created’ properties on the ‘RP…’ folders. Inside each of these are lots of folders titles ‘RP…’ – these are repositories containing backups of system files that have been preserved periodically. Windows could not start because the following file is missing or corrupt: WINDOWSSYSTEM32CONFIGSOFTWARE.Windows could not start because the following file is missing or corrupt: WINDOWSSYSTEM32CONFIGSYSTEMced.

Windows could not start because the following file is missing or corrupt: WINDOWSSYSTEM32CONFIGSYSTEM.If you’re reading this, you’ve probably just encountered one of the following errors: