IE11 Callbacks/Postbacks are not Working

Issue

The buttons look strange, there seems to be a small grey button next to the actual button as shown below:

On Browse Page, when I select an item, I just get the “Loading” icon and nothing happens as shown below:

Resolution

The issues that you are having is probably because of following Microsoft updates (.Net Framework 4.5.1) that need to be installed:

• Microsoft .NET Framework 4.5.1 (Offline Installer)
• Update for the .NET Framework 4