The versions of Internet explorer that are released before the internet explorer 8 version are more likely to take time while loading the PDF files. If you are getting the Error ‘Internet Explorer has stopped working. A problem caused the program to stop working correctly. Windows will close the program and notify you if a solution is available’ when you try to view PDF Files in Internet Explorer; then this is most likely due to conflicting Adobe Setting; which can be easily fixed.
In order to fix this issue of not opening the PDF files, follow the steps below.
Fixing PDF file error in prior versions of Internet Explorer
Close the browser if it’s already opened in the computer.
Start Acrobat or Adobe Reader.
Choose Edit > Preferences.
Select Internet in the list on the left.
Deselect Display PDF in Browser, and click OK
Restart Internet Explorer or AOL.
If the method above doesn’t work, then follow the steps below
Open the internet explorer
Go to the Tools and Click on Manage Ad-ons
From the left panel, click on Toolbars and Extensions
Now click on All Ad-ons to show them all
Find Adobe PDF Reader from the list of Ad-ons
Now, select the Adobe PDF Reader by a single click and Enable it.