britbox captions black out after about 40 minutes

Hi. The name on my Xfinity account is [Edited: PII], address [Edited: PII]; Account number: [Edited: PII]. 

When watching the Britbox app, after about 40 minutes the captioning went black. Or, more accurately, the speaking captions were black, and sometimes the sounds captioning were not. I watch Rebus and Touch of Frost which both have episodes longer than 60 minutes and having the caption black out is unwatchable for me. I also watch Silent Witness, which does not seem to have this problem, but its episodes are shorter. I tried something to fix this issue:  I cleared the local data storage (press Xfinity button on remote, select gear icon, Settings -> Privacy -> OK, then Locally Stored Data and OK to clear). I had to re-enter my Britbox user ID and password.  Next time I watched a long show, captioning blacked out after about 50 minutes. I have since changed the captioning font, but not the size as I need "Medium" to be able to read. 

@mcmart, Thank you for letting us know, I appreciate it! Please do not post your personal information in public so people don't take it and use it. Please send us a DM with your information for further help. 

Could you please post the results of the Xfinity review of this issue as I happens to me as well. 

@user_kw32pw Thank you for letting us know that you are running into the same issue. While we did not get a resolution, we found that a box swap did not fix the issue either. Please, send a DM to Xfinity support so we can work on your box.

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I'm having the same problem with Britbox captions blacking out after about 40 minutes. Does anyone have a clue why this is happening? 

I would send you a DM (Xfinity) but can't find the icon you referenced above. Help!

Hello, @Jeffrey_T how are you? Hopefully your Sunday is going well. Are you able to share the make and model number of your box? We want to check if this is happening while using an X1 box , Xumo box or Xfinity flex box. It's never a bad idea to reset the box and make sure it has been updated from Settings. 

sorry, i missed this.  our main box is XG2v2-P - Model: PacePX022ANM.  Yes, have rebooted the box several times and it is up to date - release version 183.1.1.

Hey there, user_62qd70, thanks for reaching out through Xfinity Forums regarding the issues with your captions. We definitely want to get this resolved for you as I know how important the captions are. What troubleshooting steps have you tried already?

Hi there, @kandf! If this is still occurring, we would recommend you reset the power for your box to insure all updates are installed and see if the issue is still present. Thanks! 

I just exit the show and go back into it.  captions are fine after that for another 45 minutes or so.

@Jeffrey_T​ That corrective action works the same way for me. But, Comcast should fix this.

Reported this months ago.  It appears nothing has been fixed.  Cancelled BritBox because of this issue.  Nobody appears to be trying to resolve the issue so bye-bye BritBox.  Went to Acorn instead.

Hello user_7qidwd, my sister-in-law always has the closed captions (CC) on, and I can already imagine how upset she would be, so I get why you're reaching out. To confirm, have you tested the CC on any other X1 Apps? 

FYI Marcos, this problem happens on my main tv that is attached to a box, but it didn't happen when I tested it on a different tv that is connected to Xfinity via wifi.

Hey there @user_q9vzkv that is quite interesting. Are you experiencing a similar result about 40 minutes or so into a program?