Cannot print in WLM -- other problems

I cannot print a Live Mail message using File->Print. It dies with error message "cannot supply requested class" naming line 2378 and code 0. File problem is res://ieframe.dll/previewjs.

Other problem was WLM starting with "Message Database not found." For this one there was no Inbox messages, and several other folders were empty (all locally created by me).

I spent a bit of time restoring my messages from Comcast and resorting my local files. then, I had to use saved folders in WLM to get some old messages. Then redelete messages from 1-2-2013 that were on Comcast.

I dumbly downloaded IE10 to "try" it. It turns out you can't get rid of it, and I suspect that it is the source of these problems. However, you can't turn it off! I tried reinstalling IE9 and was told "it is already installed -- install failed." So I'm stuck with 10.

I removed and reinstalled printer driver and every program works perfectly EXCEPT WLM, using ieframe.dll.
I looked into replacing this dll with advice on the net, but there are things like REG Pro (or something like that) which are reviewed as causing problems and malware.

So, the help I need is: should I persist in trying to get a "new" copy of ieframe.dll or is that embedded in IE10? Can I get rid of IE10 and revert back to 9? Or what is solution; wait until IE10 is official and gets reinstalled?

I wish I had noticed it was a Beta. When I installed it, the button read "Try it" which was all I was going to do. Meantime I installed Chrome so I have a backup browser.

Does anyone else have these kinds of problems? Am I supposed (or able) to report them to Microsloth?
I am currently designing my monster gamer and when I get it glued together I'm not sure if I should go straight to Windows 8 or not. (I have one license left for 7 from a three chair version.)

Advice please...

Printing from IExplorer10 window is also impaired, same way, with Class Factory cannot supply requested class. Reference is to ieframe.dll/preview.js
I guess this is a bug in the XPS print service used in IExplorer. Since it is a script error I am wondering if I can monitor that in some way and get a look at the code.
I'm going to start checking Microsoft Database and see what's in there.

Hi:
Reloaded latest driver from Canon. Print from Explorer page now works. But still no print from WLM message. This is probably still IExplorer10 error. I hope this version goes official release soon.