Vidar... Giles here again. Further to my comments above, I have now put my pc back to the restore point just before my ie8 upgrade. It made no difference. Print crashes in all browsers as before.
Before that the original problem I had was that Firefox was defaulting as my main browser and I was doing some website work. All my HTML files were being saved as Firefox files and I wanted them saved as IE files. So I ticked two options in Firefox and IE to reverse this, to make IE my default browser.
To see if this action caused the crashes, I then tried to go back to the restore point before this - but IE and Firefox won't even boot up under that restore point.
At one point IE error message told me it was a DEP problem but I reticked the DEP boxes and now it doesn't give me that error message. Still crashes, tho.
So I am stumped. That's the best I can do.