This affects me too. When running Update Manager manually, icon works normally. When Update Manager auto-updates, it does not respond to left-click to open Update Manager. I then have to terminate update-manager and restart it manually.
Ubuntu 12.04 64-bit
This affects me too. When running Update Manager manually, icon works normally. When Update Manager auto-updates, it does not respond to left-click to open Update Manager. I then have to terminate update-manager and restart it manually.
Ubuntu 12.04 64-bit