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My friend the printer restarts at 71% and then the rest of the update from 71% to 100% is continuing and after that it says update is failed

yes dear it worked previously, but suddenly i've updated to epson's new update i tried to make it chipless again and this error comes out e2BMPfrlI7n7V9SNpme5fjau8hgAAAAAawAAALqmJL/IKtbQLPzyS1wjsBNixsbWAgAAADoA AACtAAAApwAAACC6GBBAAGy******P8zANckAMsalQAFCAAKAO8x*****gIAAFkpzKDQ9WsN zaGsBQAAAAAAAAAAfFcwA2AAAAA= is it right ?

Hello this is my printer C5710 and does not work with the license.exe, it says activation code writing is failed thanks