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Windows XP CMD does not RUN; Explorer.exe error on boot; AVG issue?

Lenovo ThinkPad T61 with Windows XP SP3 running AVG Int Sec 8.5; Registry Mechanic latest version

Received warning from a web page and exited; shortly thereafter system acted strange, could not upgrade AVG daily updates; on reboot received explorer.exe error; AVG would not load in system tray; tried uninstall, reinstall of AVG and it completes but still not loading or working properly. Uninstalled AVG. Now on boot up get explorer.exe error and from RUN window, CMD does nothing, just returns to desktop. after a screen refresh.
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WandaSel
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WandaSel
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2 Solutions
 
Christian de BellefeuilleProgrammerCommented:
No offense, but Registry Mechanic is a piec of sh... you should not install this app.  I did that once, and it completely messed my registry and i had similar problems.  Apps where barely starting, and got dozen of errors.  No more RM for me!

Is there any log of what RM did?  
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Christian de BellefeuilleProgrammerCommented:
Does CMD is the only thing not working in the RUN window?

Have you tried to use the default icon for command?  (Accessories/Command Prompt)  Does it work?

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JDominguezNYCommented:
Seems like you have been infected with some form of malware, If possible I would run a virus/spyware scan on the hard drive by hooking it up to as a USB drive on a second machine.

If that is not possible you can try a portable antivirus installed on a flash drive to scan the PC while in safe mode.  (ClamWin Portable)

A third option is using an online scanner like Trend Micro Housecall.
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What does it mean to be "Always On"?

Is your cloud always on? With an Always On cloud you won't have to worry about downtime for maintenance or software application code updates, ensuring that your bottom line isn't affected.

 
Donald StewartNetwork AdministratorCommented:
You should run both:
Malwarebytes>>>>http://malwarebytes.org/
Superantispyware>>>http://www.superantispyware.com/
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Wayne BarronCommented:
Do you have any Restore Points on your computer?
Check
Start | Programs | Accessories | System Tool | System Restore.

If you have a Point that is before this happened, then I suggest you backup any data onto a Removable drive and choose to do this.

If you do not have any Restore Points (Like myself, I cut it off)
Then you might want to try a Repair/Install
This of course would have to be done with the actual Windows XP CD, NOT a Restore Disk.

The only other choise would be to backup everything that you want to keep onto a Removable Drive.
(or if you have additional Partitions, made from Windows not a program partition) then backup everything to the Partition and plan and deplay a reinstall.

Good Luck
Carrzkiss
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houssam_balloutCommented:
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WandaSelAuthor Commented:
>> Does CMD is the only thing not working in the RUN window?
>> Have you tried to use the default icon for command?  (Accessories/Command Prompt)  Does it work?

Other commands do work in Run menu. (ex: services.msc, inetcpl.cpl). Accessories/Command prompt does not work.

>> If that is not possible you can try a portable antivirus installed on a flash drive to scan the PC while in safe mode.  (ClamWin Portable)

Tried ComboFix and after completion the RUN command now works to open a DOS window and the EXPLORER.EXE error on bootup is gone. Now I need to reinstall my AntiVirus (was using AVG Int Sec 8. Any thoughts on this?

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JDominguezNYCommented:
Avast is another good free AntiVirus.

I used to use AVG and then I saw more recent comparisons and Avast was the top free AV currently.  I have been using it for the last two months and I like it.
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gripweed44Commented:
I am also having this problem

1. xp home
2. avg was not working properlly- rwmoved
3. ran, Malware bytes, spybot, adaware, and super spyware. super found issues - removed
4. cmd prompt does not open. When I click on the run box- the computer flashes but the dos window does not appear. The desktop goes blank then re-appears
5. I also have been having issues getting to the internet. I can get to my comcast mail server but the link to google will not work.

Any help???
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Donald StewartNetwork AdministratorCommented:
gripweed44
 
you will need to open a separate question so that experts can fairly help you.
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jcimarronCommented:
WandaSel--gripweed 44 has posted separately.  You may want to follow that thread.
http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/Windows/Q_24393038.html
Also here is a workaround for not being able to run .cmd IF you are being blocked by the Admin.
http://www.astahost.com/info.php/Open-Cmd-Prompt-Blocked-Admins_t15827.html
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Is your cloud always on? With an Always On cloud you won't have to worry about downtime for maintenance or software application code updates, ensuring that your bottom line isn't affected.

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