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#11
Well. maybe I am confused because I believe you can only have one active partition per hard disk.
Have you applied all your pending operations?
But still, the System partition is where the boot files are. If you want to check, look for the hidden, system file bootmgr and the folder Boot.
If you feel both partitions are active, then delete D: and run startup repair. If you do not get some type of message within 30 seconds, then it may take as much as 7 hours to fix.
I wouldn't be planning to delete any partition. Reinstalling the program may clear up the misreading by that.
C not D contains the boot files. Those are always placed on the root of the first primary even when Windows is installed to any other partition or drive.
The Disk Management shows the actual partition theme and is what to go by there.
You can make the D: partition inactive and it will not be bootable.
forget using Disk Management when trying to figure out which partition is active. Fire up DISKPART