There is a massive thread in the Google Web Search Help forum with hundreds of complaints from Internet Explorer users. The complaint basically says that they cannot effectively go to Google and conduct a search.
They would enter in a query, hit enter, and nothing would happen.
The first set of reports came in last Wednesday, October 28th:
Google search does nothing. I have it as my home page and when I type anything in and hit enter or the search button, nothing happens. Im using IE11 and the window tab has no spinning icon, it does input what I typed into the tabs title but that's it. Bing, Yahoo, Msn all work perfectly and I deleted all internet cookies and files and put the browser back to default settings with no success. I tried going back to a few restore points and that didn't work either. All other search sites work, but not google.
Hundreds of posts later, AJ from Google chimed in saying that Google has pushed out a fix for this. AJ wrote yesterday afternoon:
Thanks everyone for your continued reports and patience as we dug into this! As BYee mentioned, we were actively investigating this internally and have just pushed out a fix. Please report your browser and version below if you are continuing to experience this - thank you!
As of this morning, it seems that Google fixed the issue. I am seeing people in the thread thanking Google for fixing it. It is hard to say how many searchers this impacted but by the size of the thread, I'd be surprised if it wasn't tens of thousands of searchers.
Forum discussion at Google Web Search Help.