How to Fix ERROR Message - PopUp Web page Error Window

Reset settings in Internet Explorer

In the upper right corner of Internet Explorer, click the Tools menu.
Select Internet Options.
Click the Advanced tab.
Click the Reset button.

Microsoft also has a helpful video for additional assistance.

You may also see the error when opening:

1. Customer Center
2. Vendor Center
3. Employee Center
4. Write Checks
5. Registers from the Chart of Accounts
6. Opening the company file

or

This Microsoft Tool will fix this for you.