Delete iCal Alerts in Mountain Lion?

[leftheaded]

no matter what I try I always have these alerts (see attached screenshot). I use my calendar often enough that these alerts are inundating me. How can I permanently stop and/or remove these alerts?

fwiw - the event is created in google calendar with NO alerts. iCal is adding this

 

[Weaselboy]

Are you on Mountain Lion? There are some settings in the Calendar app preferences under alerts where you can control this.

 

[leftheaded]

yeah, i set all those to "none", but the alerts are still there. i'll try to reboot

 

[BillyFinn]

Disable pop-up calendar notifications

This was driving me crazy too, and none of the usual suggestions worked. What DID work -- holding down the Option key while clicking on the Notifications icon in the menu bar (top right of the screen). This apparently disabled all pop-up notifications -- hooray!

 

[Europe calling]

This was driving me crazy too, and none of the usual suggestions worked. What DID work -- holding down the Option key while clicking on the Notifications icon in the menu bar (top right of the screen). This apparently disabled all pop-up notifications -- hooray!

Well,
This works for a day,
after the next reboot this setting is gone. The text below the slide says ' Will resume tomorrow" ?
iCal just keeps popping out alerts about events, also sending those to my iPhone and iPad. How do i stop that?