The inf service is invalid when the driver is installed on windows.

An error occurred while installing the driver. The inf service is invalid. Today, a printing driver is installed for a customer. The computer is a Toshiba 166 digital photocopier and the printed data cable is USB. Then the driver is installed with the drive disc, the computer found the COM4 port, And the COM4 port on the Device Manager showed that the Toshiba 166 copy was the same, but there was a question mark in front. After you manually update the driver, whether it is automatic search, or manually search, the system prompts "the inf installation service section is invalid ". Www.2cto.com check the computer operating system and find that it is a ghostversion system, which may be caused by the loss of system files due to streamlining. Because of the large number of computer application software, it is troublesome to reinstall the system. solution: Set "mdmcpq. copy inf to C: WINDOWSINF and usbser. sys "copied to" C: WINDOWSsystem32drivers ". All operation file names and paths do not include the quotation mark author shanblue