Error during installation WinRegistry.ccp

Right now trying to install the demo, got the following error:

Design Science error

This fix will fix the install error below.

"File: C:devworkMathTypeWindowsSetupWinRegistry.ccp, Line#: 190

Assert( IsValid() );

Please note this information and contact Desing Science."

Download the font below, right click on the font file and choose Install. Then try running the Lectora install again.

ftp://ftp.nnov.net/pub/mirrors/MolodezhnaiaStrelka/MS/FONTS/MTEXTRA.TTF

Link is not working! and I installed the font manually, same bad result...what to do??