Boot Camp STOP: c000021a {Fatal System Error}

I was restarting my Mac Pro using Bootcamp and the following blue screen message displays:
Boot Camp STOP: c000021a {Fatal System Error}
The Windows Logon Process system process terminated unexpectedly with a status of 0x0000135 (0x00000000 0x00000000).
The system has been shut down.
I am running Lion and Windows XP - I have been using this setup successfully for months.
I have tried putting both the Windows XP disc and the OSX disc (Snow Leopard - upgraded to Lion from an App download) in the drive, holding down the 'c' key (to allow the machine to boot from the dvd drive) but it just goes to a black screen and switches off.
Any help to boot up my MacPro would be very much appreciated - I would be happy just to boot it up normally without Windows.
Thanks,
May

http://www.bing.com/search?q=0xc0000135+error+vista
Upgrade to Windows 7 (or 8) is really a good idea if you want support, security, better use of resources.
You restarted into Windows (*Boot Camp does not run - anything)
Lion does not support XP but that just means you had it before.
No idea but I can't tell if XP And Lion are on the same hard drive (they should not if possible).
You should make bootable backups of your OS (both).
Pull your hard drives.
Boot into Lion Recovery.
Maybe you have a virus or hardware issue, it is impossible to know.

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OK - sorry - STOP: c000021a Fatal System Error : Help me help my girlfriend!

Ok - you've probably seen this before. Basically, my girlfriend was working at her laptop whereupon it suddenly gave her this error. She doesn't know what she was doing immediately prior to this event, and now it gives her this message whenever she attempts to log on. It seems to happen literally just before the box pops up asking for her login info. I'm basically trying to retrieve her files for her. (or salvage the entire thing - although this appears increasingly unlikely!). Here is a list of what I have tried to do...
(This was originally intended as a letter for someone who is a lot better than me with computers, but the girlfriend forgot to drop the computer off last time she was in the city - we live in the sticks.)
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Computer gets fatal system error c000021a status of 0x00000000( 0x00000000, 0x00000000 )
Tried to load up through safe mode, etc, same blue screen.
Tried the restore cd but it said it was the wrong one for this particular machine. However, by validating with the restore cd I'm able to access the OS set up screen.
From here, I tried to do a windows repair. Repair seemed to complete successfully, but I still got the blue screen on boot.
I then tried going through the recovery console with the intention of copying her files to a memory stick before reformatting. It seems I needed to set a number of variables, (eg. allowallpaths and allow removable media). However, I was unable to use the 'set' command (eg. Set allowremovablemedia =TRUE) since set is disabled. It seems that the security policy needs to be changed, but that this can only be done through windows rather than the recovery console. You can change it through the registry if you can infact access and change registry values from the recovery console.
After this, I did a chkdsk /p which revealed some errors, which I repaired (chkdsk /r), but this still had no effect.
I also tried to do automated system recovery but it wanted the asr disk inserted into the a: which I don't think we have. I was expecting it to allow me to specify a drive to save a backup to (hence use a memory stick), but again, I think this might only be possible from within windows. --------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Other thing to note is she is running service pack 2 (she thinks). I know this is SP3 forum, but I was pointed in this direction!
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Rfrf
that error code means Bug Check 0xC000021A: STATUS_SYSTEM_PROCESS_TERMINATED. A restore wont fix it but a clean instal from the OS CD'S would. Does she have the OS cd's? Does she have a backup? Can she boot into safe mode (F8??)?
Wanikiya and Dyami--Team Zigzag

Stop: c000021a (fatal system error)

windows 7 professsonal 86x
the windows system process terminated unexpectedly with a status of 0xc0000006 (0x7724x950 0x0085ef28).
the system has been shut down.
am using RLG model: MGSONE
cpu: intel D2500-1.8GHz
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Hi ,
Please post your issue here :
http://social.technet.microsoft.com/Forums/windows/en-US/home?category=w7itpro
Best Regards
Elton Ji
We
are trying to better understand customer views on social support experience, so your participation in this
interview project would be greatly appreciated if you have time.
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Error c000021a : {fatal system error} while booting laptop M30 series

I get the following error when starting my laptop.
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I have recovery CD provided to at the time of purchase. I have some data which I need to recover. If anyone knows resolution to this problem , please let me know the procedure.
Thanking you in advance.
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Hi,
I tried the link said above but didnt help. I was still getting the same error.
What I tried is loading a OS of different vesion (in my case XP Professional). This loaded succesfully and I could recover some of my data. For some data, I am getting access rights error.
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Fatal System Error

I was downloading a program that wanted to also install a version of MySQL (I believe that this is the problem, although I don't know for sure) - as soon as it installed, this message appeared:
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Okay ... if you have your XP installation CD, you could try booting from that into the Recovery Console:
[Description of the Windows XP Recovery Console for advanced users|http://support.microsoft.com/kb/314058]
That allows you a few diagnostic functions, although I'm not an expert in using those particular functions. A chkdsk /r might be worth a try, though, on the off chance that this is just a damaged file or folder (or piece of disk).
Message was edited by: b noir

X301 displays fatal system error

Hello, Just got a new x301. Have only set up two user profiles and used internet once. After trying to start computor I get the c000021a fatal system error message. Thanks for any help.

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Installing drivers for Windows XP leads to "fatal system error"

Hello,
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jsml wrote:
Ran Boot Camp:
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From the MS website:
Windows XP Service Pack 2
Release Date: August 25, 2004
http://support.microsoft.com/kb/322389
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Fatal Error Message Now when trying to use Boot Camp

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STOP: c000021a {Fatal System Error}
The Session Manager Initialization system process terminated unexpectedly with a status of 0xc000003a (0x00000000 0x00000000)
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Now, I have not tried to boot up in this since I installed Leopard. So my guess is that could be my problem. Any thoughts? Please let me konw...I need help. Thanks.

I think what Hatter was getting at is OS X gets really cranky when disk space is low, that is, below 10%. Try freeing some space on your drive.
Similarly, windows also gets cranky if it doesn't have enough VM space.
In both cases, you will see at minimum, slowdowns, and at worst, crashes.
How much ram is in your system, and how much have you allocated to windows?
windows does not run efficiently with less than 1gb.
The windows boot CD is an installer.
You should not get a C:\prompt when booting from the CD unless you select the option have entered the System Recovery Console.
The recovery console is good for some things, but you can hose the system even more if you are unsure of what you're doing there.
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The stop error you received is a big clue. Go to support.microsoft.com and search for that stop error. You'll get lots of hits, and it'll be tedious, but you'll get there.
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Hello
I installed WinXP on my iMac today (2.6Ghz i5 processor, 16GB RAM, 2TB drive, OSX 10.6.8).
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Perhaps some umwanted advice, to one who wants to save $$ be re-using ...
MS probably has disavowed the existence of XP, for all intents and purposes.
If I did load it on a desktop by itself, I would expect 3 days of downloading patches on even the fastest internet line.
Windows 7 has the best "production level" support MS has to offer currently.

Boot Camp STOP: c000021a {Fatal System Error}

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