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unable to install Malwarebytes on Windows XP


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The first symptom was to note that iTunes could not communicate with two different iPod Nanos. They have been successfully able to communicate with iTunes for over one year until about one week ago.

I tried uninstalling iTunes (thinking I had a version incompatibility) and was unable to uninstall iTunes via the Add or Remove Programs utility, receiving the message,

"The Windows Installer Service could not be accessed. This can occur if you are running Windows in safe mode, or if the Windows Installer is not correctly installed. Contact your support personnel for assistance."

A look up of the error message led me to believe that the Windows registry had been tampered with by a virus. I followed the steps described at

http://support.microsoft.com/kb/315346

After backing up the registry, I followed the "Method 1: Reregister the Windows Installer" steps and was able to get the Add or Remove Programs utility functioning. I uninstalled iTunes and Malwarebytes (old version) and tried re-installing the latest Malwarebytes version. Unfortunately, the install keeps giving error messages such as,

"CoCreateInstance failed; code 0x80040154. Class not registered." (see PNG image below)

which pops up a total of five times during the various install steps. Upon completion, the "Malwarebytes' Anti-Maleware" sub-directory and files have been downloaded, but execution of "mbam.exe" only leads to a complaint about some *.dll file not being correct.

post-139224-0-60321500-1367846212.png

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Hello and :welcome:

Lets get the logs below to see if we can tell what is going on....

Please run the following scanner and send back the logs.

Download DDS from one of the locations below and save to your Desktop

dds.scr

dds.com

Temporarily disable any script blocker if your Anti-Virus/Anti-Malware has it.

How To Temporarily Disable Your Anti-virus, Firewall And Anti-malware Programs

Once downloaded you can disconnect from the Internet and disable your Ant-Virus temporarily if needed.

Then double click dds.scr or dds.com to run the tool

Click the Run button if prompted with an Open File - Security Warning dialog box.

A black DOS console should open and run for a moment.


  • When done, DDS will open two (2) logs:
  1. DDS.txt
  2. Attach.txt

  • Save both reports to your desktop
  • Please include the following logs in your next reply: DDS.txt and Attach.txt
    You can ignore the note about zipping the Attach.txt file in most cases.

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  • Root Admin

The computer appears to be infected or has some severe conflicts between security software.

I would suggest following the advice from the topic here Available Assistance for Possibly Infected Computers and having one of the Experts assist you with looking into your issue.

Thanks

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