Unable to load wwDotNetBridge: Unable to load Clr Instance

The most common reason for this error is the wwDotNetBridge.dll has been blocked. To unblock it:

1. Go to the inetpub\aceweb folder.
2. Find the wwDotBridge.dll file and right-click it then choose Properties.
3. Click the Unblock button or check the Unblock box, then click the OK button to close the Properties window.