This is helpful when using multiple browsers and saving files on a lot of computers on one computer. The more windows I have open, the more time it takes to save the file and the more I have to wait until that file opens. A quick way to prevent this problem is to turn off automatic saving of files. How Do I Stop Adobe Reader From Opening When a PDF is Saved Open Chrome Settings. Expand Advanced. Select Downloads. Select Clear next to “Open certain file types automatically after downloading” Go to Privacy and security. Expand Site Settings. Click on PDF Documents. Make sure Download PDF files instead of automatically opening them in Chrome is enabled. This tutorial has helped quite a few people. What would you add to it? Would you like to see this in the Help section? This tutorial has helped quite a few people.