Programs hanging on Mac Book Pro

Greetings,

I have a mac book pro running 10.6.2 with 4 gb or ram.  Its a pretty nice laptop.

Anyway the most basic programs seem to hang and then come back to life.  I am looking at mac mail, safari and firefox.  For example I will open firefox and browse to a web site.  The beach ball will appear and in the force quit applications window it will say (not responding) next to the application for a few minutes and then it will return and be responsive again.

I know that this can happen sometimes but this is just not normal.  I use disk utilty to verify the hard drive and it says that the hard drive seems fine.

I am trying to narrow down the problem but I haven't figured any specific thing that is causing this.

Any suggestions as to how to troubleshoot this type of issue on a mac will be greatly appreciated.

Thanks,

Sky
Schuyler KuhlAsked:
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strungCommented:
Check the console logs in /Applications/Utilties/Console.app

Also, leave Activity Monitor (also found in the utilities folder) open and see if it shows some app. hogging your CPU cycles when this happens.
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strungCommented:
Do you have enough free space left on your hard drive?
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dazHPTechCommented:
Is this a new install of 10.6.2? Recently updated?

Can you recall anything being done to your system just before this started happening? (i.e. added hardware or software)
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strungCommented:
Also try downloading and installing the 10.6.3 combo updater:  http://support.apple.com/kb/DL1017
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Schuyler KuhlAuthor Commented:
Thank you.

Ok I have been looking at the activity monitor and I haven't noticed anything really hogging resources.  I will look at the console logs and look at that update.

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Schuyler KuhlAuthor Commented:
It also takes a very long time to start.  
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strungCommented:
Those all sound like symptoms of a failing hard drive. Try running Disk Utility again and make sure you are running Verify Disk and not Verify Permissions. Does it still give your drive a clean bill of health? Also run Repair Permissions while you are at.

Finally, run the hardware diagnostics:  http://support.apple.com/kb/HT1509

You might also download and install SMARTReporter:  http://www.versiontracker.com/dyn/moreinfo/macosx/23232

One more thought. Long shot, but download and run the DNSChanger Trojan Removal Tool:  http://www.dnschanger.com/
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Schuyler KuhlAuthor Commented:
I mean like 15-20 minutes.  its very abnormal.  What I am wondering is how to determine if it is related to hard ware or if I should try reinstalling the os.
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strungCommented:
Run the hardware diagnostics as per the link in my earlier post
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strungCommented:
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Schuyler KuhlAuthor Commented:
Here are some selections from the console log during startup, which took over 25 minutes.

at the bottom is also two entries from starting firefox.

I see that it says bus error.  I think that could indicate a hard ware issue as well like a hard drive failure.  I agree that this is the most likely thing. However when i ran disk verify it did say that the disk appears to be ok.

I will try your uother suggestions.  Thank you.


4/15/10 7:04:03 AM      com.apple.ReportCrash.Root[84]      2010-04-15 07:04:03.610 ReportCrash[84:2f03] Saved crash report for lsregister[83] version ??? (???) to /Library/Logs/DiagnosticReports/lsregister_2010-04-15-070401_localhost.crash


4/15/10 7:05:17 AM      com.apple.launchd[1]      (com.apple.FontWorker[91]) Job appears to have crashed: Bus error

4/15/10 7:05:17 AM      com.apple.launchd[1]      (0x10011aa50.mach_init.mdworker[82]) Job appears to have crashed: Bus error4/15/10 7:05:17 AM      com.apple.launchd[1]      (0x10011aa50.mach_init.mdworker) Failed to check-in!

4/15/10 7:05:17 AM      com.apple.launchd[1]      (0x10011aa50.mach_init.mdworker) Failed to check-in!

4/15/10 7:07:46 AM      com.apple.launchd[1]      (com.apple.loginwindow[98]) Job appears to have crashed: Bus error

4/15/10 7:10:29 AM      com.apple.launchd[1]      (com.apple.loginwindow) Throttling respawn: Will start in 8 seconds

4/15/10 7:31:34 AM      com.apple.loginwindow[881]      FAILED TO GET ASN FROM CORESERVICES so aborting.

4/15/10 7:52:18 AM      Console[978]      *** CFMessagePort: dropping corrupt reply Mach message (0b100101)

4/15/10 8:02:20 AM      [0x0-0x1b01b].org.mozilla.firefox[1027]      Thu Apr 15 08:02:20 georgina-sharmans-macbook-pro.local firefox-bin[1027] <Error>: kCGErrorIllegalArgument: CGSOrderWindowList

4/15/10 8:02:20 AM      [0x0-0x1b01b].org.mozilla.firefox[1027]      Thu Apr 15 08:02:20 georgina-sharmans-macbook-pro.local firefox-bin[1027] <Error>: kCGErrorFailure: Set a breakpoint @ CGErrorBreakpoint() to catch errors as they are logged.
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strungCommented:
Try deleting the contents of the /Library/Caches folder.
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strungCommented:
By the way, will it start more quickly if you safe boot by holding down the shift key when you boot?
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Kash2nd Line EngineerCommented:
update it.
then go to your home folder/library/caches (delete the folder)
also, go to /library/caches(delete the folder)


restart the computer.

also, download Onyx and run it. seems to fix many smaller issues.
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