*** The Official OS X Mountain Lion 10.8 Thread ***

I had this as well, its a problem with Apple's Disk Utility, not the image you downloaded etc. Use any other image burning program and it works fine.

Aye, so long as you eject the disk properly it should work just fine (mine have every time).
 
Besides my over-discussed default font setting issue, I found few bugs in Mountain Lion so far

- "Network" in my Finder is always empty. Pathfinder can see its own samba share and static linux samba share in "Shared", but finder by default doesn't show "Shared" at all and "Network" is empty until I manually add something. At which point it sees only that machine.

- "Notications" just don't work for me. Doesn't refresh twitter feed, doesn't list Messages (though they do pop up as baloons), doesn't work with Twitterbot. Shows only "Click to Tweet" and five few hour old unread email headers (that would be because mail has to be open to get notifications, but then again, why would I want to be notified about something from an app that I already have open?") Nothing else changed for three reboots. I didn't click "update contacts" in "Mail, Contacts and Calendars" as I don't want my professional contacts to know my private twitter identity and vice versa, I'm not interested what my work and outside of immediate social circle contacts have to twit. So that might be the only thing I didn't do, this shouldn't stop twitter from updating.

- Messages crashes twice when I was trying to "Change My Picture" and pick "other" at which point I hear all 6 internal drives and 3 external drives in my Mac Pro spin up to life and.... "nothing happens, beachballing for 30 minutes". Once I woke up all the drives by clicking each one in Finder, Changing My Picture was immediately possible.

- I don't really use Mail, and I'll certainly won't be using it this time as it's still buggy as hell. I opened it, it complained about certificate on my imap server, I accepted the certificate, clicked on "Get new messages in all accounts" and nothing. It sat there for good 10 minutes, no activity indicated in "mail activity" at all, then just started downloading all messages out of nowhere, but still no activity indicated in side bar. After 2 hours it pops up "226 new notifications". Two minutes later "156 new notification". Two minutes later "153 new notifications". I click notification bar, still the same 2 hour old 5 unread emails. I just don't know what on earth the app is doing at all.

- Messages attempts to utilize my Blackmagic Multibridge as camera in both "Change My Picture" and "Video->Video Preview". Face Time immediately knows it's not a camera but Messages is just daft. I haven't tried if it's possible to use that capture device mistaken for webcam to stream something through messages

And finally, not really a bug, but the new "software update" via "App Store" is freaking nosy. I had a work drive plugged in at some point via usb, somehow it indexed it and then in "updates" it asked me to update app from that drive with different login. Confusion all around, couldn't figure out for good 15 minutes where on earth that app was meant to be as the darn thing doesn't provide any paths, and was scratching my head as to why was I supposed to log in with workmates apple login, especially since the app was free, then finally found it hidden in depths of the work drive.
 
Aye, so long as you eject the disk properly it should work just fine (mine have every time).

I can second this ... was getting rather annoyed with it, checked md5 sums on the downloaded file and in the end (after some Google'ing) found that you could ignore the message as long as you were ejecting properly. I've since installed from the stick with no install issues.

I agree with v0n above on his "notifications" bug ... not getting any Twitter messages on mine even though I've given it my account and just have a click to tweet thing there.

I can't comment on his other items (I don't uses Messages or Mail)
 
I agree with v0n above on his "notifications" bug ... not getting any Twitter messages on mine even though I've given it my account and just have a click to tweet thing there.

I'm pretty sure it only gives notifications for DMs and mentions (take a peek in the preference pane).

Not that I have any of those :(
 
There's a reason why it's called notification centre rather than a Twitter feed. Hence why you need a dedicated Twitter client.
 
screenshot20120801at005.png


Ok, fair enough, by why can't I just check the feed in Safari like I used to be able to do? Odd omission.
 
Wow this release is buggy. Spotlight just packed up all of a sudden. Worked all day, then just didn't. Finds stuff manually in Finder, but not from the top bar, only shows dictionary suggestions and web search. None of the usual tricks work, adding and removing main drive in privacy settings, mdutil -i on /, mdutil -E /, removing /.Spotlight-V100. Nothing, no indexing dot in top bar, no search results. Only in Finder.
 
Wow this release is buggy. Spotlight just packed up all of a sudden. Worked all day, then just didn't. Finds stuff manually in Finder, but not from the top bar, only shows dictionary suggestions and web search. None of the usual tricks work, adding and removing main drive in privacy settings, mdutil -i on /, mdutil -E /, removing /.Spotlight-V100. Nothing, no indexing dot in top bar, no search results. Only in Finder.
I used to get that in Snow Leopard but it's never happened in Lion or ML. A reboot was the only fix for me.
 
Has this happened to anyone else...

I've just had my mac grind to a crawl (after a fresh install of ML yesterday) when browsing OCUK with 3 pages documents open. I literally couldn't do a thing it was going that slow... After some time I loaded up activity monitor to find Safari was using 2.69 Gb of System Memory!!!!! There was another Safari in the list at about 130 Mb which is normal.

I just force quite the large safari and everything sped up back to normal... Has this happened to anyone else, or anyone know what it was?
 
I just tried to install libdvdcss.pkg and couldn't because of the app store and only identified developers being allowed on the platform. No problem say I, I will extract the required file and manually move it to the directory it is required to be in. Done. Now let's see if I can do what I want to do. NOPE. Action not permitted. **** off.
 
I just tried to install libdvdcss.pkg and couldn't because of the app store and only identified developers being allowed on the platform. No problem say I, I will extract the required file and manually move it to the directory it is required to be in. Done. Now let's see if I can do what I want to do. NOPE. Action not permitted. **** off.

You can turn this restriction off in security & privacy settings as far as I'm aware.
 
I just tried to install libdvdcss.pkg and couldn't because of the app store and only identified developers being allowed on the platform. No problem say I, I will extract the required file and manually move it to the directory it is required to be in. Done. Now let's see if I can do what I want to do. NOPE. Action not permitted. **** off.

Disable Gatekeeper or right-click "Open"?
 
Is anyone finding that it takes a lot longer for their mac to goto sleep?

It takes my Mid-2010 MBP (SSD +8 gb ram) around 15 seconds to get the flashing white light...

EDIT: by flashing white light, i mean the sleep light.
 
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I've noticed sleep/wake issues on my Mid 2012 MBP with Lion, not consistent - but they didn't seem to happen previously.

I've seen sleep lights mentioned but not spotted one on my mac, guess it was dropped on the 2012?
 
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