Ok, I'm pretty sure it is not a firefox issue, but a flash issue. I can't reliably reproduce it, but whenever it happens, there is a flash object (which was blocked by flashblock) on the page the exactly the same size as the window that appeared, and one time the window wasn't blank, but had an ad in it, but nothing was redrawing it, so when the window was obscured, the ad was never redrawn.
So this isn't a bug which needs to be fixed here and I'm happy for it to be closed or whatever. -- Empty window appears https://bugs.launchpad.net/bugs/225197 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
