Let us follow these methods:
Method 1.
Run the Internet Explorer performance troubleshooter.
a) Press the ‘Windows key + W’ key on the keyboard.
b) Type Troubleshooter in the Search box and then press Enter.
c) Select Troubleshooting. Click on View All and select Internet Explorer Performance.
d) Click Next and follow the on-screen instructions. Once this done, restart the computer and check if this helps.
Method 2.
You may turn off or disable all add ons and check if this helps to access the website.
Manage add-ons in Internet Explorer: http://windows.microsoft.com/en-in/internet-explorer/manage-add-ons#ie=ie-11
Method 3.
You can try to reset Internet Explorer settings to default and check if this helps.
1. Press “Windows key + R” to get the run window.
2. Type “inetcpl.cpl” and click ok to get the “Internet Options” window.
3. Click the “Advanced” tab and click “reset”.
Disclaimer: The Reset Internet Explorer Settings feature might reset security settings or privacy settings that you added to the list of Trusted Sites. The Reset Internet Explorer Settings feature might also reset parental control settings. We recommend that you note these sites before you use the Reset Internet Explorer Settings feature.