MSS / Datavault 3.0 Patch 3 install failed

[kermi]

So.. Ever since i configured @whstweet, i've been getting these critical notifications about software update available (ok, had them before but sorta ignored them). It appears to be somewhat old update for my EX490, which for some reason just won't install. It's supposed to clear some audio streaming quality issues or whatnot, something i don't use so didn't bother with it..

 

Anyway, it started to irk me with the warnings, so when i tried to install it, this happends:

Quick googling didn't produce anything helpfull, so has anyone ran into this one?