Why does the "Tablet PC Input Panel" function pop up? Is there a way to disable this pop-up? - FAQs | Manufacturer of Resistive | PCAP Touch Screen | PenMount Touch Screen Controller - AMT

Starting from Win7, Windows operating systems will automatically enable "Tablet PC Input Panel" when a touch device is connected and this action cannot be disabled. The only way to circumvent this function is to use Mouse Mode. However, Mouse Mode does not support multi-touch capabilities. Certified resistive, projected capacitive (PCAP) touch screens and PenMount touch screen controllers meeting international standards, ISO, UL E331240-A1-UL, REACH, and RoHS. All touch screen products are supplied with flexible production quantity and long term support.