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Xp Automatically Logs Off After Kaspersky Virus Scan


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#1 Elise

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Posted 05 October 2007 - 03:19 AM

After several nasty infections with all kind of spyware, adware, malware, rootkits etc (that blocked virusscans from seeing viruses etc.). I installed the free trial from kaspersky antivirus. After installation it asked for a restart: I did the restart and after that when I entered my logon information my wallpaper appears, with the message loading personal information, after that imediat appears logging of and it returns to the windows logon screen.
So I tried to start in safemode: this worked and I did a full system scan. There appeared to be a lot of infected objects with win32.trojan. It quarantined the objects. After I tried to restart normally the same thing as above happened, even in safemode: I tried all the f8 options, but nothing worked.
Is there any possibility to restore my backups made by the antivirusprogram, without installing windows again???

Please can anyone give me some information about this, I am afraid some vital windows files are quarantined and that is why I cannot reach any desktop, the system do not crash.
Thank you!!!!!!

regards, Elise


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#2 WinCrazy

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Posted 05 October 2007 - 09:31 PM

Hi elise025.

This can be a very difficult problem to repair. I'm in the process of writing a coherent guide to solving booting problems, but this is going to take a lot of time. There are many places during booting that the process can fail - at the hardware level, at the hard drive level and in the OS software.

In the meantime take a look at this:

10 Things You Can Do When Windows XP Won't Boot.url

Here are my comments on his 10 suggestions:

#1: Use a Windows startup disk [ I Don't Have a Floppy Drive !! ]
[ I Didn't Create a StartUp Floppy !! ]

#2: Use Last Known Good Configuration
[ XP or the hard drive may be so corrupted that the Boot Options Menu may not show E.g., A Hang at BlackScreen ]

#3: Use System Restore [ XP Won't Boot, Remember ?! ]
[ Can Use Recovery Console to Run System Restore Manually But You're Not Mentioning That ]

#4: Use Recovery Console [ I Don't Have an XP Installation CD ]

#5: Fix a corrupt Boot.ini [ I Don't Have an XP Installation CD ]

#6: Fix a corrupt partition boot sector [ I Don't Have an XP Installation CD ]

#7: Fix a corrupt master boot record [ I Don't Have an XP Installation CD ]

#8: Disable Automatic Restart [ XP Won't Boot, Remember ?! ]

#9: Restore from a backup [ There IS No Backup ! ]

#10: Perform an in-place upgrade [ I Don't Have an XP Installation Disc ]
[ aka Repair Install ]
________________________________________________________

Most of these points apply to your PC. It can boot, but not correctly. That mean that the partition boot sector and the Master Boot Record on the hard drive are OK. The boot files NTDETECT.COM and ntldr on C:\ are OK, too. The OS is trying too log you in but fails.

The only solid suggestion I can offer is to reinstall XP. If you do have an XP Installation CD then do a Repair Install.
REPAIR INSTALL Tutorail - Site 1.url
REPAIR INSTALL Tutorial - Site 2.url
Microsoft's Windows XP Home Repair Install step by step - windowsxphome.windowsreinstall.com.url
The MS instructions are hard to follow. The first 2 are much better and are illustrated, too.

#3 Elise

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Posted 06 October 2007 - 02:47 AM

thank you for your explications! I am aware of all you answered me. What I want to know is if there is any possibility to boot somewhere without having the cd. Everything works well till loading personal settings (after the logon). Even then I doesn't crash, it simply loads my personal information, after that it shows the message logging of... and it returns to the log on.

regards, Elise


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#4 WinCrazy

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Posted 06 October 2007 - 08:33 AM

The only "places" you can boot to are Safe Mode (Administrator account with special restrictions), Safe Mode with Networking 2 and the Administrator regular account.

#5 Winton

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Posted 07 October 2007 - 10:13 AM

My niece's computer has the exact same problem. It just happened this week and so far I have not been able to find a fix for it. It looks like I might have to wipe the drive and reinstall everything. I will keep an eye on this site for possible solutions.

#6 TMacK

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Posted 07 October 2007 - 11:17 AM

Welcome to Bleeping Computer Winton,

If your nieces computer has a problem, please start your own Topic.
What you've done here is called Hijacking a Topic and is not considered good forum etiquette.

Please check out the New User Orientation section to help get familiarized with how the board works.
Chaos reigns within.
Reflect, repent, and reboot.
Order shall return.

aaaaaaaa a~Suzie Wagner

#7 Elise

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Posted 08 October 2007 - 03:20 AM

I tried all off this and nothing worked. Same problem occured: login and immediat log out.

regards, Elise


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#8 WinCrazy

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Posted 08 October 2007 - 05:39 AM

Look into these threads:

http://www.softwaretipsandtricks.com/forum...ate-logoff.html

http://www.ntcompatible.com/postprint158933.html

http://www.d-a-l.com/help/archive/index.php/t-30603.html

http://techrepublic.com.com/5208-11184-0.h...threadID=195053
________________________

For lots more ideas, Google xp immediate logoff

The concensus seems to be that a recent infection causes this problem.

Malware Detection and Removal Guides:

Bleeping Computer
http://www.bleepingcomputer.com/forums/t/34773/preparation-guide-for-use-before-using-malware-removal-tools-and-requesting-help/

Geeks To Go
http://www.geekstogo.com/forum/Must-Read-B...-Log-t2852.html

Windows BBS
http://www.windowsbbs.com/showthread.php?t=67958

PC Help Forum
http://www.pchelpforum.com/hijackthis-logs...ka-prework.html

Edited by WinCrazy, 08 October 2007 - 05:39 AM.


#9 WinCrazy

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Posted 10 October 2007 - 06:53 AM

Using the F8 Boot options menus, go to Safe Mode (with or without networking).

Start > Run > control {This opens up Control Panel.}

Double-click User Accounts

Click Create a new account.

Type in the name of your new account > Next > Create Account button.

Log out.

At the Welcome screen click the new account's button.

At this point, if the logout problem occurs you will need to start up un Safe Mode, back up your important files and folders and reinstall XP.

If login happens normally open an Explorer window.

After login, open Explorer. Click Tools > Folder Options > View tab

Check Display contents of system folders.

Uncheck Hide extensions for known file types.

Under 'Hidden Files and Folders': Select Show hidden files and folders.

Click OK.

In the Explorer window. Browse to:
C:\Documents and Settings\{your_old_account_name}

In the 2nd Explorer window browse to
C:\Documents and Settings\{your_new_account_name}

One-by-one COPY (not drag and drop) each folder from the old account into the new account. This will copy most of your settings into the new account.

Log out and then log back into the new account.

#10 Elise

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Posted 12 October 2007 - 03:43 AM

Would be nice if I only could enter safe mode.

Tomorrow I will try a repair installation of Windows XP. It seems that my antivirus removed infected windowsfiles, which are needed for correct logon.

regards, Elise


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#11 Budapest

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Posted 12 October 2007 - 03:58 AM

If you can get into Safe Mode with Command Prompt you can try running system restore from there by typing:

%systemroot%system32\restore\strui.exe

Edit: fixed typo (thanks for spotting that WinCrazy)

Edited by Budapest, 13 October 2007 - 02:45 AM.

The power of accurate observation is commonly called cynicism by those who haven't got it.

—George Bernard Shaw

#12 WinCrazy

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Posted 12 October 2007 - 07:39 PM

Yes, there are 3 different Safe Modes. All log into any existing account.

1. Safe Mode -- GUI
2. Safe Mode with Networking -- GUI with Internet and LAN access
3. Safe Mode with Command Prompt -- Command-line text mode like a Command Prompt window

That command to run System Restore should be: %systemroot%system32\restore\strui.exe

Edited by WinCrazy, 12 October 2007 - 07:41 PM.


#13 Elise

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Posted 21 October 2007 - 11:16 AM

Finally my computer works fine. I tried to do a repair-installation with a cd, worked fine till I rebooted my computer normally: still the same proble. After that I was so tired of the whole thing that I decided to make a complete system format. Glad I did, I had to install all my programs, but at least all works fine.

There is one little problem, maybe someone can give me a hint what to do: when I press the power-button on my keyboard, I get a nice blue screen which explains me I have an "internal power error", gives no further indication about files or anything. When I do a reset I get the message: System has recovered from a serious error. I tried to find out what went wrong, but find nothing: all other poweroptions are fine, the power button of my computer gives no problems, only the one on my keyboard.
Does anyone know why I have this problem? Thanx!

regards, Elise


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#14 WinCrazy

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Posted 21 October 2007 - 12:44 PM

Did the error message look something like one of these:

Internal power error - stop 0x000000A0 (0x00000101 0x00000007 0xF8BC47A4 0x00000000)

See these threads, but they are inconclusive:

http://www.pcguide.com/vb/showthread.php?t=53987

Check the power supply's major outputs with either SpeedFan and/or Everest Home (both free and excellent):

Download and run SpeedFan and/or Everest Home V2.20:

http://www.almico.com/sfdownload.php SpeedFan
http://www.majorgeeks.com/download4181.html Everest Home 2.2

The +3.3V, +5V and +12V should be within +/-5% of their nominal values.
3V -- 3.135V to 3.465
5V -- 4.750V to 5.25V
12V -- 11.400V to 12.60V

In Speed Fan look in the Readings tab.

In Everest look in Computer > Sensor.

Edited by WinCrazy, 21 October 2007 - 12:49 PM.


#15 Elise

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Posted 22 October 2007 - 07:28 AM

+3,3 V is 3,3
+ 5 V is 5,51
+ 12 V is 12,71

regards, Elise


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