Cannot View Any PDF Notes, "refused to connect" message appears

When using Notebook, I cannot view any of my notes that are PDF's. This "refused to connect" message appears every time. I am on a browser that allows all cookies etc. The docs subdomain being used looks odd too?

Any solution for how I can view my PDF notes would be appreciated.

Susan.

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Migrate your Notebook data to the new, mobile Notebook.
Zoho Notebook is transforming. The new version will include exciting new features and a completely new user experience. The initial version will be mobile based, available for Android and iOS. A new web version will be available after the initial mobile release. With the release of the new Notebook approaching, we're migrating most of your current data to the new version. Once the new version is released, there will be an additional window to migrate your data. We will not provide access to the