I apologize if this thread exists already (I searched but didn’t find one). My gamertag is blocked from my fileshare for no apparent reason. I noticed it in September but believe it started in August (which coincides with the Title Update). Before that I had no problems. I believed that the problem was with the Xbox Live custom content filter, so I spent some months talking to xbox support. Now, however, I believe the problem is due to an error that was accidentally applied in the Title Update. I was hoping that someone could inform whoever works on the custom content filter for Halo Reach and see that the problem is rectified.
I am a map maker so no being able to upload and share any maps I make is something that actually matters to me.
I do not know of anyone specific to contact about this problem, so helping this post find its way to the proper recipients would be greatly appreciated. Thank you for your time.
Sincerely, Valiant Outcast
One or both of the words in your Gamertag has somehow managed to be censored in the MS Censor List.
Happened to me with the name Zoidberg Psycko. Zoidberg was apparently Censored. And it happened out of NOWHERE.
Put each word in the Motto section of your profile, update and see if it denies it. Most of the time it’s just a glitch and sadly takes time to correct. Or you can spend 800 MSP and change your GT like I did.
Does 343 have a help forum?
> Does 343 have a help forum?
It’s not that simple. No one seems to have the answer for this. MS says it’s a 343 thing but it’s not, since the problem is with MS’s word filter. But no one knows who runs the filter.
It’s completely asinine and absolutely baffling but unfortunately, I think you’re stuck. 
There is an abundance of information here, but basically, the problem comes down a very badly-mismanaged filter run by Microsoft.
You can follow UnrealCh13f’s suggestion in the thread I’ve linked to, and you should attempt it before doing anything else. If it works, it’ll save you money and help everyone else out by possibly leading to a small repair to the filter.
Thank you. I will do as you suggest.