Rated 5 out of 5 stars

le RainerP ar Ean. 9, 2017 ·

-Go to the Google Tasks Sync Settings
-Select the checkbox "Clear local data and authentication..."
-restart Thunderird
-add your login data again

This solution helps by all of my installations

Rinne an t-úsáideoir seo léirmheasanna eile ar an mbreiseán seo.