Safari Bug on Lion: The application Safari canceled restart

Noticed a bug on my Safari after upgrading to Lion. Haven’t been able to recreate it is as it appears to be random, when using Safari and you close some tabs. When you try to quit the Safari, the option is greyed out from the Safari Menu and Command+Q does not work. If you try to restart your mac you’ll get the screen shot below.

So far there doesn’t seem to be a patch in place and temporary solution so far is to Force Quit Safari. You can also delete the Safari icon on the dock and add it back. Will keep updating this post still a permanent solution is found or is patched by Apple.

Post Author: lopau

8 thoughts on “Safari Bug on Lion: The application Safari canceled restart

    Craig

    (August 16, 2011 - 12:27 pm)

    This has happened a couple of times in the last few weeks, just now being the most recent. Still on Snow Leopard but system has been configured for Lion (thru updates). Have had to do a hard shutdown on both occasions as no other options were available.

    Nadia

    (August 23, 2011 - 10:41 am)

    I reinstalled my adobe flash drive and it fixed it. See if that helps.

    lopau

    (August 23, 2011 - 11:52 am)

    Thanks Nadia, amazing just updated so far I haven’t encountered the issue. will keep a close eye.

    rob ganly

    (September 7, 2011 - 1:57 am)

    i just encountered the same problem and fixed it- here’s how:

    i) open a terminal window
    ii) type: ps -A | grep Safari
    ii) look for the process number on the left hand side of the output, mine looked like:

    7867 ?? 2:27.50 /Applications/Safari.app/Contents/MacOS/Safari -psn_0_2138634

    iii) kill the process with the kill command followed by the process number, so in my case i entered:

    kill 7867

    et voilà, you have made a safari kill without hurting any animals!

    hope that helps.

    rob ganly

    Keith Weatherford

    (September 18, 2011 - 1:13 pm)

    I’m a little late to the party as I only recently upgraded to Lion but I had this same exact problem afterward. I reinstalled Adobe Flash since that was the easiest one to test and it fixed my issue with this right up. Many thanks for the great suggestion. Cheers.

    Hara

    (January 13, 2012 - 7:42 am)

    Installing adobe flash worked just great! Thanks

    Ash

    (March 28, 2012 - 11:17 am)

    I encountered the same issue, I went to activity monitor, checked on windowed processes and force killed Safari, that did the trick.

    kenorb

    (January 17, 2013 - 2:36 am)

    1. Open Terminal
    2. Run: killall -9 Safari

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