OK I think I found a likely solution. See
HERE.
It requires you to manually edit the registry ... OR ...
Some people are not comfortable editing the registry. To make it a bit easier I put the edits into a .reg file and zipped it; you can just download and run this if you prefer.
View attachment ResetExplorerBrowseFor.zip. When you try to run the zip file it should open to show you the .reg file I wrote. Double-click on the .reg file to run it. You will be asked to confirm that you want to allow it to change the registry.
Then try IMGBurn. If all is well then I suggest you shut down the computer and restart. Try IMGBurn again just to be sure the fix stuck.
NOTE: In general, do not allow programs to change the registry if you are unsure of the source. You don't really know me but I am a moderator here and wouldn't intentionally steer you wrong. Even so, instead of double-clicking to run the .reg, you can drag it to the desktop and open it with notepad before you ever run it if you want to check it out first. It is very basic, just to delete the two entries mentioned in the article I linked above.