1.Click on Start, and then click on Computer Management  /Services & Applications /Services.

2. Scroll down to right-click on "Windows Mobile-2003-based device connectivity" to select Properties / Log On. Switch to "Local System account" with checking "Allow service to interact with desktop" then click OK.

After config,  Connect the device to PC, it will pop up windows mobile device center

Click Accept, then you will see device connected.

PS:If you can’t find windows mobile device center in your computer or "Windows Mobile-2003-based device connectivity" in the services, you can install the below windows mobile device center install application.