Do more on the web, with a fast and secure browser!
Download Opera browser with:
Adblock extension keeps crashing, If I click reload it crashes after 2 seconds.
I'm having similar problem with "transmission easy client". I think that something on the latest developer build is messing up with the extensions.
More extensions are not able to enable. They stay always Disabled.
After update of Opera Developer to v24.0.1543.0 Adblock Plus is working again. If you're strictly referring to AdBlock, you can try if it's working now.
Still I have problems with setting Options in extension Magic Actions for YouTube.
Use Adguard, so much better.