Securityagent can only be invoked by apple - System Freezes

Hi,
I have suddenly started getting this problem, first mac stops responding by the hdd becoming readonly and when I force shutdown and restart I get this pop-up.
I have already replaced by hdd, what can be causing this?
Regards,
Rohit

For anyone else who would face this problem,
"It's possible the SATA cable is going bad, which would give the same type of symptoms as a failing hard drive. An easy test is to relocate the drive to an external enclosure and boot from there. If the problems go away, it's probably the SATA cable."
Regards,
Rohit

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Unapproved caller. SecurityAgent may only be invoked by Apple software.

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I suggest you call Apple Care. However, the following is the BEST I can remember what I did as intructed by Apple Tech Support. I have a Time Machine Backup external hard drive.
Turn off computer
Turn on and @ first sign of life, press and hold the Option button
Follow the directions:
Click: Repair disk
Click: Repair Disk permissions
Get out of the section then pick the reinstall
Option reinstall
If that did not work: it did not for mine:
Do the same as above and click erase disk. If you have a Time Machine Back up, you can return you Mac back into working order w/your applications software, i.e. Word: mac 2008, Skype, etc.
Unplug you external hard drive to eliminate any possible confusion.
After an erase disk when starting like above (hold option button down while booting) and doing a total install,
Plug in your external drive with you Time Machine backups.
Only check applications and only users. Uncheck other files… and computer …
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I can only import HDV with Apple Intermediate Codec!!!!

Hello,
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I'm using Final Cut Pro 5 on a G5 that hasn't been online in a while. Maybe I just need some 'updates?"
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Should I upgrade to Final Cut Pro 6, cut that make importing HDV easier for me?
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You should be able to do it fine in 5.0 as well as 5.1.
I have been capturing HDV since August of 2006, long before FCP 6. Make sure you use a camera that is supported, for HDV is not a standard the way DV is. It is MPEG 2 out of the box. So when you capture you are in for a bit of a ride editing HDV on FCP 5. It can be done, but you are better to take a page from Shane's book and capture to DVCPro HD instead. It takes up much more space, but you will have no headache editing and outputting later.
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See my response to your other post.
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Hello,
I have an Apple Laserwriter 16/600 PS that I used to be able to print documents to from my Mac G4 OS 10.2.8 via a network connection with my Mac 9600/OS 8 as a shared printer. It was an easy solution to the cabling issues between laserwriters of that vintage and G4s and USB ports. But this was not a good option after I upgraded my G4 to OS 10.4.8.
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Message was edited by: Shelley Schreiber

Shelley,
The adapter is just that. It changes one plug at one end to a standard RJ 45 phone style socket on the other end. Plug in the <---> plug into the <---> socket on the back of the printer. The box end of the transceiver has a standard socket for the usual phone style plug.
"Do the transceiver (that I am assuming has the aaui adapter plug on it) and the RJ45 ethernet plug come as separate items that I then string together with the cat 5 cable? "
They can come as a box with two sockets and one short adapter cable or a box with one RJ 45 socket and one short cable permenantly attached that has the <---> plug for the printer.
"Or are these three items available as a unit that I can just order, ready to go (i.e. plug into the printer and connect to the computer.)?"
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Ethernet does not split like phone splitters. Hubs were designed for that task. Your router acts as a spliter/hub PLUS routing duties so go ahead and use it for its intended purpose. The uplink port on the router goes to the link with another network so save that port for your DSL modem.
Wikipedia offers a little background reading here:
http://en.wikipedia.org/wiki/Router
http://en.wikipedia.org/wiki/Network_switch
Not to be outdone, Yahoo has a site:
http://answers.yahoo.com/question/index?qid=20070331094643AAcs2Rs
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Hope this helps.
Jim

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From the fcp.co forum. See if this does anything for you.
simon_hutchings
OFFLINE
Junior Boarder
Posts: 24
Thank you received: 5
Karma: 1
I have the solution! Well it at least worked for me. This is the response I got from Apple, Can you please try the following steps towards fixing your audio issue, and report back with your results?
1. Open the application Audio Midi Setup (located in Applications : Utilities)
2. Select the Output Tab for the current output device
3. Select the Configure Speakers option
4. Select the Multichannel tab
5. Change the setting to Stereo Now mine was set to stereo but the left channel wasn't showing left. re-clicking on stereo reloaded the settings and after clicking apply it worked.

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Securityagent can only be invoked by apple - System Freezes

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