Cannot create folder named 'uploaded'

My Cloud OS 3 Personal & Network Attached Storage My Cloud EX4
2

I found this thread:

http://community.wd.com/t5/WD-My-Cloud-EX4/Weird-file-naming-bug-with-My-Cloud-EX4/td-p/625043

The reply was

2014-06-05_0901.png
2014-06-05_0901.png1135×183 16.7 KB

This was 7 months ago.

How can they reserve a name that can be so commonly used?! And where is the fix? And what other folder names are reserved?