I never can print anything… a little lime before the print start I get this message on the screen of my printer… and the only solution is to shutdown the printer…
Anyone can help me?
Did you try a machine reset?
yes… I try 3 times, before post a topic 
I suppose you are running the latest firmware? Maybe you can try downgrading?
yes… i using the last one.
How can I do the downgrading?
This guy is keeping track of older firmwares: Firmware older versions
Open preform and click a manual firmware upgrade. Then select this older firmware and done.
Thanks… what is the best?
August is the previous one, but he missed it unfortunately.
I got a copy: https://we.tl/t-bSo8jTeATh
thanks… i will try again a new print 
it works… Thanks
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Next time only update when you experience problems or there are significant improvements. 
i still having a problem… the toutch screen stop to works many times… and i need to cut the power and turn it again… but is to a big problem
Hey there! Sorry to hear you’re having issues with the Touchscreen!
Please feel free to get in touch with our support team at the link below and we’d be happy to help you investigate and hopefully get that problem resolved ASAP.
https://support.formlabs.com/s/contact-support?language=en_US
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I’m also frequently getting both of these issues – the same error listed above, and also that my touch screen intermittently stops working (sometimes mid print which is super annoying). For the first, just removing and trying to reseat the cartridge a few times eventually fixes it. For the second, I need to fully unplug the machine and power it back on.
@Support, are these known issues or is there anything I can do to help collect some kind of bug report data?