How to disable check for new version of Opera?
Saturday, 24. June 2006, 12:17:44
By default, Opera checks for update every week and notifies you when there is an update.

Notification message
If you want to disable check for new version, set Check For New Opera to 0.
For Opera version 8
Note the path to Opera directory by clicking this. Close Opera, go to Opera directory and open opera6.ini and change value of Check For New Opera to 0 under [User Prefs].