Om dizze add-ons te brûken, moatte jo Firefox downloade.

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Checker Plus for Google Calendar™ troch Jason Savard

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troch FERNY, 9 jierren lyn
Don't working with update to 55.0. Says loading.Jason I've tried,and nothing correct.
Now with your's last update (22.0) works fine. Tks.

Antwurd ûntwikkeler

9 jierren lyn pleatst
Try this https://support.mozilla.org/en-US/kb/refresh-firefox-reset-add-ons-and-settings