Okay, I ran the Anniversary upgrade for her, but it hasn't fixed the issue with MSHTML.dll, it still caused two IE crashes today alone...

Holy Holly you're right!
She's still running on the earlier build... I'll be upgrading her to the Anniversary Update after her shift, and I'll keep you posted on whether or not that fixes things.
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Hello!

Sorry to resurrect an older topic but a co-worker has been having issues with infrequent IE crashes. I tried a few solutions including resetting the IE settings (which fixed another issue...