Well, it may not take me that long...
If I am reading the log correctly, and not sure I am, the uninstall removed pretty much the entire registry key:
HKEY_CLASSES_ROOT\CLSID
If you know how, check your registry to see if it is still there. I have several hundred entries in that key, so it should be easy to tell if it is gone. If it is gone, and the utility cannot restore the entries, you are limited in your response. Perhaps someone could provide you with that key so you could import it, but there would probably be differences between systems.
Let us know if the entries are missing or not.
The log also shows files from the Firefox directories being deleted, but that should not lead to a system problem.