I completely understand how challenging this situation can be, especially when you’ve put in so much effort resolving the issue at hand, Ernest. Filing your VAT return is important, and I'm here to guide you to the appropriate support team to help restore your connection to HMRC.

Since you've already performed several troubleshooting steps, including disconnecting HMRC, clearing your browser cache, using incognito mode, and switching browsers, I recommend contacting our Live Support team for additional assistance.

Our experts can review your account and identify what’s preventing the link to HMRC. If you encounter error messages along the way, please share them with the team, as these details will help pinpoint the exact cause and ensure a quicker resolution.

1. Click on the Help icon, then select the Search tab.
2. Hit Contact Us.
3. Enter a keyword or brief description of your concern in the box, then Continue.
4. Choose either Chat or Callback for help.
   
   

To prevent your calls from being disconnected, I suggest checking our support hours for prompt assistance.

I know how overwhelming issues like this can feel, especially with approaching filing deadlines. I appreciate your patience as we work through this. If you have any further questions about VAT returns or anything else, please don’t hesitate to reply. I'm here to help. Take care.