Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

Avatar for Username

Sykje yn Support

Mij stipescams. Wy sille jo nea freegje in telefoannûmer te beljen, der in sms nei ta te stjoeren of persoanlike gegevens te dielen. Meld fertochte aktiviteit mei de opsje ‘Misbrûk melde’.

Learn More

Dizze konversaasje is argivearre. Stel in nije fraach as jo help nedich hawwe.

in Thunderbird, I've created events in my calendar, but when I get a reminder (for an event), I cannot snooze or dismiss the event--I get the message "Modification Failed"

  • 1 antwurd
  • 24 hawwe dit probleem
  • 17 werjeftes
  • Lêste antwurd fan TonyE

ayadrahim
ayadrahim
more options

in Thunderbird, I've created events in my calendar, but when I get a reminder (for an event), I cannot snooze or dismiss the event; I get the error code "Modification_Failed"

in Thunderbird, I've created events in my calendar, but when I get a reminder (for an event), I cannot snooze or dismiss the event; I get the error code "Modification_Failed"

Alle antwurden (1)

TonyE
TonyE
  • Moderator
more options

This forum is just for Firefox support, for Thunderbird support you can ask in one of these forums: