When an affected user goes into Reliability History (by opening the Start Menu, searching for “reliability history” and clicking on the search result named View reliability history) and looks at the incident report for the Internet Explorer crash, they see that the faulting module is iertutil.dll. The iertutil.dll module is the Internet Explorer Run Time Utility library and is essential for the appropriate functioning of Internet Explorer 11. This issue is most commonly caused by a corruption that affects the iertutil.dll module. Thankfully, though, this problem is entirely fixable, and here’s what you need to do in order to fix it:
Phase 1: Fixing any and all corruptions affecting the iertutil.dll module
First and foremost, you need to fix any and all corruptions that may be affecting the iertutil.dll module. To do so, you need to: Right-click on the Start Menu button to open the WinX Menu. Click on Command Prompt (Admin) in the WinX Menu. Type the following command into the elevated Command Prompt and then press Enter: Wait for the command to be fully executed, and once it has, it will reveal whether or not it found any issues and whether or not found issues were fixed.
Restart your computer. Pro Tip: If, after running the command described above, it is revealed that one or more found problems were not or could not be fixed, simply repeat all of the steps listed and described above after restarting your computer.
Phase 2: Cleaning Internet Explorer out using CCleaner
Download CCleaner by going here and clicking on the Free Download Install CCleaner. Launch CCleaner. In the Windows section of the Cleaner tab in the program, scroll down to the Internet Explorer Select anything and everything located under the Internet Explorer heading by placing checkmarks besides each option. Be especially careful to make sure that you select the dat files option. Click on Run Cleaner. Wait for CCleaner to work its magic, and once it is done, restart your computer. Once you have successfully completed both Phase 1 and Phase 2, Internet Explorer should no longer crash on you because of iertutil.dll. If, by some unfortunate twist of fate, this solution doesn’t work for you or if Internet Explorer 11 is crashing on you because of something other than iertutil.dll, try some of the solutions listed and described in this guide.
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