I complained to Humax who said that it was an All4 format problem. I complained to All4 who acknowledged it as a problem but couldnt advise when it will be fixed (this was back in February)
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Dear Liz,
Thank you for your email regarding All 4.
We are sorry to hear that you have been experiencing problems accessing content on All 4 via your Freesat box.
Please be advised that our Technical Team are aware of this issue and are currently working towards a resolution. Unfortunately, we do not have a timeframe for this fix, at present.
We would like to apologise for this and suggest that you keep an eye on the service for any future updates.
If you require further information, feel free to email me back or visit http://www.channel4.com/4viewers/faq
Kind regards,
Scarlet Lewis
All 4 Support