After upgrading to Mountain Lion, my trackpad is erratic and glitchy

I've gotten the Macbook Pro with Retina Display for about a month now and I immediately upgraded to Mountain Lion. After about a few weeks, Mountain Lion was working well. Nothing was going on. Then about a few days later, my trackpad is possessed. My cursor is moving by itself, it switches pane to Launchpad to Mission Control, to switching my tabs. I'm not even touching it.
I've tried doing the SMC reset, the killall Dock method, and PRMC one, but the problem is still persists.
I'm going to college very soon and it's scaring me that this is just happening. Can someone help me or is this something that I just have? Is this also what Apple is going to cure?

This happened to me too. After about a week of ML, my trackpad started freaking out overnight. I went to the mac store [annoyed because I didn't even want to upgrade to ML but it's a requirement for some software...] and they told me to get a new trackpad*. Went home to reference the real geniuses [the forums..] and so far deleting the google files has worked : https://discussions.apple.com/thread/4315898?start=30&tstart=0
I've also turned off all of the extra features for now - tap to click, etc and using it like an old school track pad. I'll turn them back on one at a time once this has been stable for a bit.
*I mentioned I saw this issue in forums, and the 'genius' said the software engineers don't base their knowledge on forums, but extensive testing in their lab. Maybe if the engineers actually got out of their labs and delved into the real-world problems/ read the forums, the geniuses could provide helpful fixes rather just equipment replacements

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After upgrading to Mountain Lion, Safari on my iMac and my MBA is showing mobile websites

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Thanks,
Steve

I get the same thing. It works on other versions of Safari. I spoke to Audi USA today and the lady there was very emphatic that it must work as it works on her Mac at home. I asked if she had upgraded to Mountain Lion and she said no.
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Audi USA lady noted my input. I did not get the impression that she believed me.

TrackPad physical click not working after upgrade to Mountain Lion

Does anybody know how to get my trackpad working again after upgrading to Mountain Lion?
I recently upgraded my MacBook (13-inch, Late 2009, Intel Core 2 Duo) from Snow Leopard to Mountain Lion. Everything seems to have gone well, except for trackpad behavior.
The primary problem is that the physical click of the trackpad is now erratic. Sometimes a physical click will work, and other times it will not work.
Note: The "tapping" of the trackpad DOES work consistently. I have confirmed that System Prefs > Trackpad > "Tap to Click" is enabled, and so tapping is not the problem. (The "tap to click" selector does exhibit a unique behavior however--if I DESELECT "tap to click," then the physical click no longer works at all. It looks like the "tap to click" selector can completely disable the physical click of the trackpad, but cannot enable the physical click completely.)
I have also checked the settings on System Prefs > Accessibility > Mouse & Trackpad, but none of those settings affect the physical click of the trackpad.
I tried zapping the PRAM, but that did not change the problem with physical clicking on the trackpad.
Grateful for any ideas...
Nertz

I ended up taking my MacBook to the Apple Genius Bar. The staff were very helpful.
The apple staff said that there is no known link between the upgrade to Mountain Lion and trackpad misbehavior. In my case, they made some hardware adjustments to the trackpad, and all is working properly again.
Bottom line: if you think that your trackpad misbehavior is related to Mountain Lion, you might want to take it to an Apple Genius Bar. If there really is no connection between Mountain Lion and trackpad behavior, then perhaps they can fix it for you (as happened to be true in my case). But if there IS a connection in some way, it would be helpful for Apple employees to see your evidence firsthand.
Best wishes to all...
Nertz

ISight is not working after upgrade to Mountain Lion.

Please help!
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I tried the SMC option for my Mac (version details below)...but this still didn't solve my problem.
Model Name:
MacBook
Model Identifier:
MacBook7,1
Processor Name:
Intel Core 2 Duo
Processor Speed:
2.4 GHz
Number of Processors:
1
Total Number of Cores:
2
L2 Cache:
3 MB
Memory:
4 GB
Bus Speed:
1.07 GHz
Boot ROM Version:
MB71.0039.B0E
SMC Version (system):
1.60f5
Sudden Motion Sensor:
State
Enabled
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this is what I see:
-> USB Bus
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      -> USB Bus
      -> USB High-speed Bus
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Regards,
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My 24 inch iMac... 2.8 GHZ dual core (Early 2008) is having the same problem. After it sleeps, I go to use something... and the beachball of death occurs. This happens multiple times a day... and let me tell you... it is annoying... and I am the one who is being annoyed!
It could possibly be revolving around safari... as that is really the only thing that is running consistently. I don't use iTunes on this iMac as I have so many other Macs up and running in the house... and I never consume media on it... so I kind of dismiss iTunes being the culprit.
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Startup - Slow Boot
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After upgrading to Mountain Lion, I repurchased Garageband and I can't get passed the complete installation. I don't seem to have the "com.apple.garageband.plist" file that has been a common solution. Any suggestions?

After upgrading to Mountain Lion, I repurchased Garageband and I can't get passed the complete installation. I've read through several posts that all reference the "com.apple.garageband.plist" solution. I don't seem to have the referenced .plist. Any solutions or suggestions?

Did you upgrade from SnowLeopard?
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What exactly is happening? Is GarageBand trying to download over and over again?
all reference the "com.apple.garageband.plist" solution. I don't seem to have the referenced .plist.
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Quit GarageBand, if it is running.
Click onto you Desktop to bring the Finder forward.
In the Finder Menu press "Go" and hold down the "option/alt" key, until your user library appears in the drop-down menu
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Log off and on again (don't skip that step!). Retry GarageBand and see if it GarageBand is now downloading the missing content properly.
If that does not fix the problem, post back and explain in more detail what the download problem is.
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After upgrading to Mountain Lion, I cannot open my File Maker Pro files. Can I use Numbers to open these files?

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In Safari, I choose Goggle as starting page in Preferences, but at every restart misses that starting page and the search strip says "Seek Google or instert an address".

Well, I found the solution here in another thread.
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Thank you graphicsluc!!!

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From the link to the Thread you provided, I worked through the one message procedures that were listed.
For ease of reference, I have copied them and printed them below. This was an old thread but the guidance still works with no firmware upgrade required.
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"I've just installed one of these printers for my parents.
First of all, don't waste your time connecting the ML-2525W as a USB printer. The printer will go offline after each print job. It's hopeless, at least (I assume) until Samsung gets around to publicly releasing a firmware update.
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This is what I did:
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http://www.samsung.com/us/support/downloads/ML-2525W
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(3) Restart your Mac.
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(7) The Wireless Setting application will then tell you to disconnect the USB cable.
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(9) After that, you should be able to print to the ML-2525W whenever you want, without the printer going offline.
(10) If you have a USB printer queue still in your Print & Fax Preferences (from your previous unsuccessful attempt to connect via USB), you can delete it. You only need to keep the Bonjour queue.
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MacBook (white 12"), Mac OS X (10.6.5)

After upgrading to mountain lion, i cannot play any video at all, be it directly off a DVD, or through streaming like youtube, BBC iplayer or even off my iTunes library

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Hi, i had the same problem and tried this,
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"Earlier versions of Adobe Photoshop (CS3 and CS4) software were also tested with Mountain Lion and there are currently no known issues."
So continuing to search, two days of frustration ensued as I "chatted" with 2 unhelpful Adobe customer support reps, searched unhelpful Apple and Adobe websites and posted my question in various places. Finally I found that the above statement was completely wrong when I received the following from an Adobe staffer:
Mountain LION is not a supported platform for Adobe Contribute CS4. The supported versions are Latest Adobe Contribute 6.5 and Adobe Contribute CS5.X.
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Augend wrote:
After upgrading to Mountain lion the hyperlink button is not seen in Preview. Anyone knows ho to get it back?
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After upgrading to Mountain Lion, my trackpad is erratic and glitchy

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