Minimwatch unexpected exception

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Well... dropping the support has given me a nag page and I can't install 0.8.4 Miniwatch it keeps crashing out on jminim-0.6.217.jar, the source file is corrupted. Ideas ?.

OK I put myself of self care. I re-installed 0.8.3, that was OK. I redownloaded 0.8.4 which gives me a second generation of the file, installed it and all was fine. It's Windows 10 Anniversary. I don't know what was going on there.