Brian,
My fix for ZIP routine problems seems to have been only partly effective (and partly worse, for some folks...

). But I now understand more:
Please go to your c:\windows\system32 folder and look for a file named
XceedZip.dll. If you find it, please rename it to something else (e.g. Xceedzip.dl_). Now reload RDSS (you may have to do it twice).
Please let me know if this solves the problem. I am planning another update this week, and I will further address this ZIP routine problem.
The above suggestion is the current workaround.
Ted