Have a look here.

I tried this and it said that it "succeeded", but I still have the same problem.  I've seen "DLL downloadable fixes".  Are these safe, or should I stay away?  Thanks for your help.

"I've seen 'DLL downloadable fixes'. Are these safe, or should I stay away?"

 

I have no idea. I've never seen any of these - maybe someone else has experience or an opinion.