Hi John,
The remote control sends command information to the connected infrared (IR) sensor from up to 20 feet away. You can power your TV and Media Center with one remote. The friendly Media Center on-screen menus are specially designed for remote control interaction, delivering a fun, engaging, and integrated digital media experience. Media Center Remote. Windows Media Center Remote App is sub app of PC Remote app which happen to have more than 270,000 downloads of PC Remote. This is how PC Remote makes your life easier: 1. Mouse: your phone will act as mouse. You can move cursor and click, drag and crop, zoom, vertical scroll from your phone. Updated MCE Remote Server Application for Windows - July 9 2015. Use this if you want to be able to connect to the MCE by Computer Name) MCE Remote Server Lite installation package (Does NOT use Apple's Bonjour Service. Use this if you want to be able to connect to the MCE by IP address).
As per the issue description some of the remote buttons/keys are not getting detected. The issue could be if the drivers are either corrupted or need to be updated. This could also be if there is some dust particles between the buttons/keys. So, I would suggest you to clean the device and check the difference.
Try to follow the steps provided below and see if it helps you to fix the issue.
Method 1: Try Hardware and devices troubleshooter
The hardware and devices troubleshooter can detect and fix errors and incorrect settings in devices. You can run the built in troubleshooter in Windows 8 and check by following these steps:
a) Press Windows Key + X, select control panel
b) Change the ‘view by’ option on the top right to ‘Larger icons’
c) Select the Troubleshooting option and click ‘view all’ on the left panel
d) Run the ‘Hardware and devices ‘troubleshooter.
Method 2
If issue persists, the issue could also be related to the device drivers and other updates. I want to inform you that updates will be released by Microsoft. So, I would suggest you to keep checking your Windows updates not only important one but optional too. If any available try to install them and see if it helps you to fix the issue.
Microsoft Mce Model 1039 Rc6 Remote
Try to install all of the Windows updates available and if issue persists, try to update the Device (remote) drivers by following the steps provided in the article mentioned below.
Refer this: How to: Install and Update drivers in Windows 10
Windows Media Center Remote Codes
Hope this helps, let us know the status of the issue to assist you further.