Attempt to delete the attachment in a separate browser or in incognito
Disable any other extensions, plugins or AdBlockers within your browser
If the extension continues to freeze, I would recommend reaching out to HubTag's support team. It looks like this integration https://petrovdigital.io so they should be able to advise on this. Their contact info is info@petrovdigital.io.
Attempt to delete the attachment in a separate browser or in incognito
Disable any other extensions, plugins or AdBlockers within your browser
If the extension continues to freeze, I would recommend reaching out to HubTag's support team. It looks like this integration https://petrovdigital.io so they should be able to advise on this. Their contact info is info@petrovdigital.io.