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PLEASE HELP: Problem with explorer.exe


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#1 beepbeep29

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Posted 01 August 2009 - 01:53 AM

Hi everyone.
Can some please help me?

Firstly, my computer is fairly new, so it's even more confusing as to why it's doing this.
I have an Acer Aspire Laptop and yesterday I turned it off (at the button, not through shutdown) and when I turned it back on, it just stopped working (all I saw was a black screen). After a few tries of turning it on and off, I finally turned it on using Safe Mode and the only thing that came up was my documents (the folder btw). I could not see my desktop, none of my programs, not even my taskbar or sidebar (for vista).

I eventually got onto the internet, and read somewhere that I had to go into task manager and create a new task and type "explorer.exe" which I did. Everything was fine. So I turned my computer off again to see if everything was alright, hoping it would work correctly now.

But of course not!!! This time I turned it on and started the computer in "normal" mode. And same thing happened again. Just a black screen, with my documents. My first question is: How can I make or restore the explorer.exe so it is automatic when I log onto my computer???

Also, I think I have/had a virus, so I did a malware scan and it (I think) removed the infections. But now when I'm on the computer in normal mode, within 1-2 minutes it completely shuts down. And if it doesn't shut itself down, it is extremely slow and THEN it shuts down!!!

What is going on with my computer??? I have searched everywhere on the net to try and find a solution and I can't!! :thumbsup:


Please help me!!!
Thanks heaps!!

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#2 CoolCatBad

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Posted 01 August 2009 - 05:31 AM

Something nasty has hijacked a vital registry entry. Boot up, use Task Manager to invoke explorer.exe again, and then Start/Run/regedit.

In Registry Editor navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\WindowsNT\CurrentVersion\Winlogon

In the right-side pane there is a Key named Shell. The value should be explorer.exe, it is probably pointing to something else.

Right-click it an Modify it back to explorer.exe.

Reboot.

#3 beepbeep29

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Posted 02 August 2009 - 08:20 PM

Thanks heaps for that. It worked!! But I still can't seem to get rid of the viruses. I have tried everything!! And I am still having to work in Safe Mode because Normal Mode is still extremely slow!!!

Anyone have ideas how to fix this?!

#4 boopme

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Posted 02 August 2009 - 09:40 PM

Hello.. First You both should never edit the Registry without backing it up first..
This step involves making changes in the registry. Always back up your registry before making any changes.

Go to Start Run and type: regedit
Click OK.
On the left side, click to highlight My Computer at the top.
Go up to File Export
Make sure in that window there is a tick next to "All" under Export Branch.
Leave the "Save As Type" as "Registration Files".
Under "Filename" put RegBackup.
Choose to save it to C:\
Click save and then go to File Exit.
Or you can download and use ERUNTwhich is an excellent free tool that allows you to to take a snapshot (backup) of your registry before making changes and restore it when needed.



Now I am moving this from Vista to the Am I Infected forum to see what we got with malware..

Next run MBAM (MalwareBytes):

NOTE: Before saving MBAM please rename it to zztoy.exe....now save it to your desktop.

Please download Malwarebytes Anti-Malware and save it to your desktop.
alternate download link 1
alternate download link 2

MBAM may "make changes to your registry" as part of its disinfection routine. If using other security programs that detect registry changes (ie Spybot's Teatimer), they may interfere or alert you. Temporarily disable such programs or permit them to allow the changes.
  • Make sure you are connected to the Internet.
  • Double-click on mbam-setup.exe to install the application.
  • When the installation begins, follow the prompts and do not make any changes to default settings.
  • When installation has finished, make sure you leave both of these checked:
    • Update Malwarebytes' Anti-Malware
    • Launch Malwarebytes' Anti-Malware
  • Then click Finish.
MBAM will automatically start and you will be asked to update the program before performing a scan.
  • If an update is found, the program will automatically update itself. Press the OK button to close that box and continue.
  • If you encounter any problems while downloading the definition updates, manually download them from here and just double-click on mbam-rules.exe to install.
On the Scanner tab:
  • Make sure the "Perform Quick Scan" option is selected.
  • Then click on the Scan button.
  • If asked to select the drives to scan, leave all the drives selected and click on the Start Scan button.
  • The scan will begin and "Scan in progress" will show at the top. It may take some time to complete so please be patient.
  • When the scan is finished, a message box will say "The scan completed successfully. Click 'Show Results' to display all objects found".
  • Click OK to close the message box and continue with the removal process.
Back at the main Scanner screen:
  • Click on the Show Results button to see a list of any malware that was found.
  • Make sure that everything is checked, and click Remove Selected.
  • When removal is completed, a log report will open in Notepad.
  • The log is automatically saved and can be viewed by clicking the Logs tab in MBAM.
  • Copy and paste the contents of that report in your next reply. Be sure to post the complete log to include the top portion which shows MBAM's database version and your operating system.
  • Exit MBAM when done.
Note: If MBAM encounters a file that is difficult to remove, you will be asked to reboot your computer so MBAM can proceed with the disinfection process. If asked to restart the computer, please do so immediately. Failure to reboot normally (not into safe mode) will prevent MBAM from removing all the malware.
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