Handshake error: Client protocol version is too high

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Handshake error: Client protocol version is too high

Post by Yaderp » Wed Jan 13, 2016 11:38 pm

Trying to reinstall MainType after a partial drive corruption. Wrote in and got the link to download and install Ver. 5.* as required by my registration code being for an upgrade. However, after downloading and reinstalling I get a red box with this message: "Handshake error: Client protocol version is too high."

I do not know what this means nor how to remedy the problem. Please, please someone share with me the ins and outs of making this go away so I can have my MainType back! I am lost without it!
Edward Wilhite
CEO Lugeo Media

God Bless America

Erwin Denissen
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Joined: Fri Oct 04, 2002 12:41 am
Location: De Bilt, The Netherlands

Re: Handshake error: Client protocol version is too high

Post by Erwin Denissen » Thu Jan 14, 2016 12:10 am

It looks like you've also installed MainType 6, and then installed version 5 on top of it.

You will either have to fully uninstall/remove version 6, or buy an upgrade to use version 6.

Easiest is to buy the upgrade, as I suspect trying to uninstall version 6 and then reinstalling version 5 requires some trial and error.
Erwin Denissen
Proven Font Technology

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