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Reviews for Checker Plus for Google Calendar™

Checker Plus for Google Calendar™ by Jason Savard

4.3 Stars out of 5
5
76
4
20
3
8
2
6
1
6
Response by Jason Savard

Developer response

posted 7 years ago
Try this https://support.mozilla.org/en-US/kb/refresh-firefox-reset-add-ons-and-settings