Error Code C00D124F usually appears on Zune Player. It makes the this player eventually turn black and keeps updating. It also appears if there is no enough space on your player for the update. In this case, Connect your player to your computer and open the Zune software.
Four Proposed Solutions to this Error Code C00D124F are as Follows:
In Method 1:
Firstly, Restart the Zune by holding the Left Button + Up on the middle button.
While it is rebooting, push, and hold both the right and the left button. This will format the Zune.
After that, Shut the Zune down with the help of Left Button and Down on the middle button.
Now plug in the Zune on your PC. When it boots, click Install when it asks for a firmware upgrade.
Finally Synchronize Zune according to your content after the firmware is installed.
Method 2 for Error Code C00D124F :
Uninstall Zune completely.
Delete it from registry entries, device drivers to remove it entirely. (can do this with Revo uninstaller)
Reinstall Zune software again.
This time install it in a different folder.
After that, It will then update the device.
Finally, It updating fails, then disconnect Zune and plug it again. This should help to resolve the Error C00D124F
In Method 3:
First thoroughly drain the machine until it is dead.
Finally Plug it again. It will restart and work.
Method 4:
Firstly, Press and Hold the back + up button. This will reset the Zune. (Back button is at the leftmost)
After that, when it restarts, and its logo appears, press and hold the Back + Center + Left Button. This will format the firmware of the device.
Finally, plug it back into your computer. It will upgrade itself automatically.
In Conclusion,
Finally, If you are still not able to resolve this Error Code C00D124F, we suggest you to chat with our assured experts. I am sure they will give you the best solutions completely. However, we give you assurance about your money and the service You can also visit our website for more information.
More details for this method at https://support.microsoft.com/en-us/help/929135/how-to-perform-a-clean-boot-in-windows