Use your XP cd to boot, choose repair option "r" and type chkdsk /r at the prompt. This will find and repair errors that running chkdsk in XP wont. It may take some time so be patient.

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I had this same "sysdata.xml error, and I got it to go away by editing teh registry by "regedit" and doing a search on all the enteries with sysdata . I found two entries; one was referring to a file in word and was commented bye a "mad onion benchmark comment". I installed mad onion to perform a benchmark but I let the program stay. I deleted also all the *.dmp files in the windows\minidump and deleted all the files in the windows\temp

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Same error on a brand new system from Tiny. Makes you sick. Damn M$.

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This is a related thread on another board that fixed this problem for me. http://guru3d.com/forum/read_msg.php?tid=848&forumid=detonator

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I am STILL having this problem after trying many of these fixes. The problem with this error is that it may go away... Or appear to "go away" for several reboots and then reappear the next day. I'm beginning to lean towards wiping out windows/program files/docs-settings and starting over. I'm fairly certain this error began happening with one of the following. Updated detonator drivers (GForce) or Microsoft hotfix installs.

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Try uninstalling old programs or find patches for them that are not compatible with XP or try running those programs after setting them up with the compatiblity wizard(and setting it to an older windows version)

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I fought this problem for DAYS and what I came up with it that I have a corrupt MFT or Master File Table associated with NTFS volumes. I discovered that after running chkdsk as suggested I ended up with files that were completely untouchable and even worse, strange security policies were being propigated throughout my files that should not be there. For instance, I had a file named "{S-123-324-5-1223323-2323232323}" that an installer created so I wiped windows, reinstalled and still this file was not deleteable. I found others that were not deletable as well in totally non-system related directories. Solution? FORMAT and start over.

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so I tried running chkdsk, as bingo stated above. seems that I have the same problem: Microsoft Windows XP [Version 5.1.2600] (C) Copyright 1985-2001 Microsoft Corp. C:\chkdsk c: The type of the file system is NTFS. WARNING! F parameter not specified. Running CHKDSK in read-only mode. CHKDSK is verifying files (stage 1 of 3)... File verification completed. CHKDSK is verifying indexes (stage 2 of 3)... Index verification completed. CHKDSK is recovering lost files. CHKDSK is verifying security descriptors (stage 3 of 3)... Security descriptor verification completed. Correcting errors in the master file table's (MFT) BITMAP attribute. CHKDSK discovered free space marked as allocated in the volume bitmap. Windows found problems with the file system. Run CHKDSK with the /F (fix) option to correct these. 3076415 KB total disk space. 1945124 KB in 16314 files. 4700 KB in 889 indexes. 0 KB in bad sectors. 41907 KB in use by the system. 17440 KB occupied by the log file. 1084684 KB available on disk. 512 bytes in each allocation unit. 6152831 total allocation units on disk. 2169368 allocation units available on disk. C:\ this is weird because after running chkdsk /f the next time I ran chkdsk I got something different: Microsoft Windows XP [Version 5.1.2600] (C) Copyright 1985-2001 Microsoft Corp. C:\chkdsk c: The type of the file system is NTFS. WARNING! F parameter not specified. Running CHKDSK in read-only mode. CHKDSK is verifying files (stage 1 of 3)... File verification completed. CHKDSK is verifying indexes (stage 2 of 3)... Index verification completed. CHKDSK is recovering lost files. Recovering orphaned file UDEA70~1 (16930) into directory file 11874. Recovering orphaned file udhisapi[35] (16930) into directory file 11874. Recovering orphaned file UDEA58~1 (16934) into directory file 11875. Recovering orphaned file udhisapi[23] (16934) into directory file 11875. CHKDSK is verifying security descriptors (stage 3 of 3)... Security descriptor verification completed. CHKDSK discovered free space marked as allocated in the master file table (MFT) bitmap. CHKDSK discovered free space marked as allocated in the volume bitmap. Windows found problems with the file system. Run CHKDSK with the /F (fix) option to correct these. 3076415 KB total disk space. 1945173 KB in 16326 files. 4700 KB in 888 indexes. 0 KB in bad sectors. 41907 KB in use by the system. 17440 KB occupied by the log file. 1084634 KB available on disk. 512 bytes in each allocation unit. 6152831 total allocation units on disk. 2169269 allocation units available on disk. C:\ this sucks, I am running win xp on 3 computers and I only have this problem on one computer.

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my last post was above this one. I forgot to say that my serious error message has not showed up since after running chkdsk /f so its looks like this fixed the problem, but it seems as if errors still exist on my hard drive, oh well, as long as the error doesnt show up its all good. so everybody try running: chkdsk /f it will probably say that your drive is locked, it will ask you to reschedule, type in Y, and press enter, restart your computer, it will perform the scan, and hopefully that will work for you :)

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Guys please help. Im still getting the error and I've tried everything. chkdsk /r .... chkdsk /f ... nothing works.

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I have been following this thread since I have the very same problem. I tried all of the above, even formatting my harddisk en starting all over again. No luck. A few days after formatting my system, the error re-appeared out of the blue. Just the way it did on my previous use of XP. It says something like C:\WINDOWS\Minidump\Mini103001-01.dmp C:\DOCUME~1\default\LOCALS~1\Temp\WER2.tmp.dir00\sysdata.xml If even formatting doesn't work for me, could this problem be related to hardware? I have the most recent drivers available for my hardware (I think). And I also get blue screens that say: "bad-pool-caller", and a whole bunch of numbers at the bottom. They pop up at random, even while surfing on the net. Only thing I can do here is restart PC... I am getting quite desperate since I bought a completely new and fast PC, but I can't run XP properly. ANY help would be kindly appriciated!

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Yea me too!! I just bought a Brand New computer 2 weeks ago and it pisses me off that it cant even work properly.

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Same problem **When the problem originated I went to my event log for clues and when I clicked applications got a Event log file is corrupt** I sent it to MCS to help their development of XP. Nogo. MSCONFIG. Nogo. Deleted temp, all cookies, in every login. Nogo. I followed the standard any new installs, 3rd party removed browser skin program and other small ware. Nogo. Looks like smoke to me/lience agreement.**When the problem originated I went to my event log for clues and when I clicked applications got a Event log file is corrupt**

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Start>>Control Panel>>Preform. &Main.t>>Adim TooLs>>Services>>Error Reporting Service:Change Start-Up type to disable>> It workz thatz all I can add

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Dan: THANK YOU THANK YOU THANK YOU!!!!!!! Everybody follow Dan's directions it works!! Now I dont have to click Dont Send every time I reboot. THANK YOU!!

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I used Roxio's EZ CD creator twice. The third time while burning a disk XP popped up and said I had a serious error. Now I can't start CD creator without a serious problem window popping up. I've reinstalled drivers, even Roxio's software and I still can't use it. Is XP just another Microsoft BS version?

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Yes thanks that works fine! At least I get rid of those error massages every time I reboot. But I am still getting blue screens that say "bad pool caller".... And since we are making progress here....any advice on these blue screens?

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when I hold the shift key and then right click on a file to delete it, my computer restarts and then it checks for consistency. This happens everytime I do a shift delete. can anyone tell me why??????

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Roxio has a patch http://www.roxio.com/en/support/ecdc/xpup.jhtml;jsessionid=H0OYDPHTSLT15T33IAVR3KQ

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same thing for me, 1-2 week after i bought my new pc, all was fine, now each time I reebot i saw this message, I think its a bug in winxp or something like that

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Todd: When you want to delete a file without it going to the recycle bin hold Shift and press the delete key. I do it all the time. Using the mouse to right click and delete might be your problem.

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Now about the serious error message ..... I've called Microsoft AND Compaq and they said the are hearing MANY complaints about this error in XP. There is no way to remove it now. I wonder if Microsft will release a patch ?!?!

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My motherinlaw got a new HP Pavilion w/XP. I swapped out the original mouse for a Miscosoft optical. However she pulled it out by accident and couldn't get it back in, so she put back the original HP mouse. The old mouse worked but the HP began throwing the XP serious error on start up. I had to uninstall all the Microsoft optical mouse software and drivers to fix the error. .f.b.

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Ok I was on the phone with Msft all day. I totaled about 4-5 hours with them and still have no solution to this problem. Msft says they have not heard of this before. I had a problem selecting files, then holdinging shift while I right click the mouse to delete them and pass the recycle bin. (Shift delete does the same thing) But after I make that right click, my computer restarts. I FIXED this problem by going to CONTROL PANEL, SYSTEM, clicking on advanced tab, Performance settings, and then taking all the checks out of ALL the boxes OR either by clicking on "Adjust for best performance". That fixed it but it should be working right in the first place. I should HAVE to do that to fix a problem. Anyway, my SECOND problem is when I have a cd in the cdrom COPYING files to my hard drive and at the same time I have Internet Explorer up and running and I try to delete something in the address bar. As soon as I hit the DELETE key in the address bar of IE, my computer restarts as well. I have not been able to fix this yet. My THIRD problem is sometimes when my computer is in heavy processing and lagging or when a program is trying to freeze up and I try to do a CONTROL ALT DELETE, my computer again crashes and restarts. WHY!!!!!!!!!!! This is so IRRITATING!!!! MAN!!!!! ONE thing all these scenarios have in common is accessing the DELETE option in windows: CTRL ALT DEL command, and deleting in the address bar of IE, and right clicking pulls up a menu with the delete option available... If anyone can explain what file is accessed when the delete command is used or if you have any ideas or info that could help, I would really love to hear.... Thanx

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Here's what helped me... 1) deleted the files in c:\windows\minidump\ 2) Uninstalled the following: i) Morpheus ii) Windows Media Bonus Pack iii) VIA latency Patch for PCI bus 3) Restarted... The error disappeared... the problem is I don't know which thing caused my error to away cause I restarted at the end... I reinstalled each program to find out which was causing it and restarted after each install (twice on each install to make sure that it wasn't something that got activated after the first reboot)... and no more problems... I'm wondering if this may relate back to a misfunctioning installation of a program??? Because I am currently running the EXACT same setup as before the only difference is I removed the progs and reinstalled them.... just a thought...

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This is gonna seem a little simple, but in my case I had the C:\WINDOWS\Minidump\Mini103001-01.dmp C:\DOCUME~1\default\LOCALS~1\Temp\WER2.tmp.dir00\sysdata.xml error everytime on startup. Then one time I noticed that MSN Messenger had loaded in my taskbar, so I exited it. I then open Messenger, went to Options, and disabled it from opening on startup. I don't know who this is gonna work for, but it stopped MY problem. And for informational purposes here's the info on my computer: Dell Dimension 4300 Series Pentium 4 at 1.6ghz 128MB SDRAM at 133MHz WindowsXP Home Edition 40GB Hard Drive 64mb NVIDIA GeForce2 MX w/TV-Out Video Card 16X/10X/40X CD-RW Drive (w/Roxio Easy CD Creator)

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Well, I read through all of this and THE WINNER IS DAN!!!! although his path is a little wrong Here is how to get rid of that silly minidump error. Left Click: Start> click control panel> double click administrative tools>Double click Services> Right Click Error Reporting> left click properties> In General under Startup Type- Click the dropdown arrow and select> Disabled > Then select Apply and OK. My compliments to Dan and enjoy XP!

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Dan's solution worked for me!

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i and many many friends have XP running sweet....the solution was simple, please try it...i was dubious at first but its worth it. If you have 2 x sticks of memory...i had 2 x 256mb, REMOVE ONE STICK...i know it sounds stupid but its sorted XP for me and all i know...we had blue screens of death on closing progs or multitasking....DEFINATELY WORTH A TRY!

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