@Ledmirage 

Have you tried clearing your cookies and browsing history? 

If that does not resolve the issue, please refer to the instructions provided in the following link:  

https://www.tp-link.com/us/support/faq/2302

If you still encounter problems, please try the steps outlined in this link:  

https://www.tp-link.com/us/support/faq/2587

If none of the above work please open up a support ticket i have included the instructions below 

1. Email support at support.usa@tp-link.com.

2. Include the model number of your Deco router, as well as the hardware and firmware versions.

3. Describe the issues you are facing and send the email.

4. Within a few minutes, you will receive an automated response with a TKID number.

5. Upon receiving this email, please access the Deco web UI by entering "tplinkdeco.net" in your browser. Navigate to Advanced > System > System Log, select "ALL" in the log type, and save the file to your local computer. Then, reply to the email you just received, attach the log file, and kindly request that your ticket be escalated to a senior engineer for further assistance.