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Logonui.exe Error Message

Discussion in 'Windows XP' started by tkbirdie, Apr 22, 2008.

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  1. tkbirdie

    tkbirdie Thread Starter

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    My sister turned on the computer this morning and the logonui.exe error message came up. We restarted the computer numerous times over half a hour, and it did not go away. This message said that the memory "cannot be read". I'm sending this from safe mode, where I checked on a previous solution someone offered about regedit.exe - windowsnt/software/windowslogon (I'm sorry, I cannot remember the exact path). I checked it and the data value is logonui.exe. We've been having the problem on and off for a couple of days, but not to the extent where we have to access files from safe mode. I would really like to go back to normal. Any help will be appreciated. I have all the XP CDs, AVG is up to date.
    Thanks
     
  2. mozzacajun

    mozzacajun

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  3. tkbirdie

    tkbirdie Thread Starter

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    I have read the article and do not understand what it means. Is it a virus? My scans are up to date. The article does not clearly state how to repair it. I would really like to get my computer back to normal, and not work from Safe Mode.
     
  4. mozzacajun

    mozzacajun

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    From what I have read about it, it is possibly linked to spyware as well. try running spybot s & d.
     
  5. tkbirdie

    tkbirdie Thread Starter

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    I ran AVG yesterday and it came up clean. I do not understand how it happened and why. I'm too scared to leave Safe Mode and check it's back to normal, in case I cannot get back. I have work to do and I cannot do it in Safe Mode - I just really want the computer to back to normal.
     
  6. tkbirdie

    tkbirdie Thread Starter

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    Do you need a HJT log? If so, I can send you one and you can see if there's anything there.
     
  7. mozzacajun

    mozzacajun

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    well if you ran a spyware scan and it came up clean (its different from a virus scan, just in case) you could try creating a new profile and seeing if the problem still exists.
     
  8. tkbirdie

    tkbirdie Thread Starter

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    I cannot see my Windows Desktop. It loads to the blue screen "Windows is starting up" and then the message appears. I cannot see any users or access any files. I can see everything in Safe Mode. I cannot keep using Safe Mode.
     
  9. tkbirdie

    tkbirdie Thread Starter

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    It fixed itself last time, I'm not sure how. Yesterday - I turned it on again at 06:45 to run a scan (I find it easier to run early in the morning). The message came up. I went into Safe Mode for a minute, thinking it would help. I restarted the computer from Safe Mode and the message kept coming back. I have tried twice to go in Safe Mode and it hangs at the point where the list ends and just before the Safe Mode screen comes on - ie it says multidisk..... and then hangs. I restarted the computer and CHKDSK is currently checking for consistency. I'm letting that run in case, I don't know if it'll help. The only new software I added was the upgrade to RealPlayer yesterday. It required a reboot, which I did. The first time - the message appeared. The second time - it went back to normal. I'm fearing that I might not even be able to access Safe Mode. As soon as CHKDSK has finished, I'll update this thread. What I do not understand is

    • what is logonui.exe
    • what it means
    • why it keeps coming
    • how to fix it

    Today - I turned the computer on again this morning and the message came back. I got it into Safe Mode and it works fine. I scanned the computer yesterday - it was clean. Someone sent me a file to download - http://www.dougknox.com/xp/scripts_desc/fix_xp_logon.htm. I can only run the program in Safe Mode and it said there were no errors. I cannot keep using Safe Mode. How do I fix it now? I do not know why it keeps happening. Yesterday, it took a hour for the Windows Desktop screen to come back. How do I stop the error message from coming back? I just really want it to go back to normal. I have to keep restarting it from the power button - I'm scared that I'm going to break it. I know there's no viruses on my computer. Are there any fixes I can run from Safe Mode, considering I cannot get anywhere else. I'm getting really annoyed now. CHKDSK ran again. It finished, repaired the errors, restarted and the error message came back. I have the computer in Safe Mode, what do I do now? Yesterday, CHKDSK ran, repaired the errors and went back to normal. What I can do is limited. I knew this would happen again.

    Sorry if this seems long - I tried to put everything down.
     
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