Having exact same error as OP here too. Haven't been able to open the EPC in over 3 weeks now.

Both on my main W7, and laptop /w W7, so it seems its a system wide java issue.

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2016 Monsoon Gray Audi Allroad - 21k
2008 Black Mercedes E350 4Matic Sport - 131k
2014 Jeep Wranger Unlimited Sahara - 62k
2003 Gray Mercedes ML350 - 122k