https://bugs.winehq.org/show_bug.cgi?id=37203
--- Comment #8 from hanska2@luukku.com --- Well you could try regression test.
http://wiki.winehq.org/RegressionTesting
but you need to build wine yourself. Which can be a bit complicate to setup.
Regression test would give more clear answer what has been changed and what's most likely to cause the error.