The previous version of WinZEC has a now-deprecated version of zcashd as of today, and you need to update to the latest, version 1.1.2.
The SHA-256 hash of winzec-1.1.2.msi is
Its linked from https://winzec.com and the direct download link is https://zcash.dl.mercerweiss.com/winzec-1.1.2.msi
Sorry for the delay in getting the release out, I lost track of the block height until deprecation in the midst of moving into a new place this week!
-D. Jane MercerWeiss