IE11 freezing and slow performance issue can be degenerated because of a buggy add-ons are. Method 2: Delete or disable Add-ons for your Browser
In order to fix this issue and fix GPU rendering, you need to install the latest graphics drivers. If all OK with the browser then it is clear that you are using an outdated Internet Explorer 11 or system graphics driver is unsupported, so it is recommended to fix them. How To Fix Internet Explorer (IE) 11 Crashes/Freezes Problem? Method 1: Turn on the Software Rendering Mode If you are one of them that suffering from IE11 crashing, freezing, slow performance issues then don’t worry as below given solution will help you to get rid of all of these issues.