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possible infection, i can't run Malwarebytes (trial edition) after instalation

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Hello and welcome to Malwarebytes forum.


Could you kindly provide a bit more detail on how and what happens, and the specific verbatim "error message" .... if any.

What does "cant run" really mean?   We need to know the steps before, how you go about it, and what the visible effects are.


Has there been any recent signs of a malware infection?

Was this a recent upgrade of the Anti-Malware?

When was the program first ever installed?

What version?

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Your system does not have a antivirus program installed.  That is a high security risk and makes me concerned.   Has this box ever had an installed antivirus?


Press and hold Windows-key+E key on keyboard to start Windows Explorer.
From the Windows Explorer menu options, Select Tools, then Folder Options.
Next click the View tab.
Locate and uncheck "Hide protected operating system files (Recommended).
Locate and click "Show hidden files and folders and drives. "
Click Apply > OK.




Kindly check and make sure that Windows 7's  User Account Control is ON

Go to Control Panel>> All Control Panel Items >>User Accounts
Click on Change User account control settings
Also see http://windows.microsoft.com/en-US/windows7/products/features/user-account-control



Do NOT run any other tools on your own or do any fixes other than what is listed here.
If you have questions, please ask before you do something on your own.
Close any of your open programs while you run these tools.

IF and only if you have any previous copy of our anti-rootkit tool,  "mbar.exe"  ..... then delete it now.

Restart your system, Windows, so that it is a fresh start.

Please download Malwarebytes Anti-Rootkit (MBAR)  and save it to your desktop,
from here   

•Be sure to print out ( if possible) and follow the instructions provided on that same page.

•Doubleclick on the MBAR file you downloaded and approve the UAC prompt in Vista and newer operating systems.
•Click **OK** on the next screen, to allow the package to extract the contents of the file to its own folder, mbar.
•mbar.exe will launch automatically. On some systems, this may take a few extra seconds. Please be patient and wait for the program to open.
•After reading the Introduction, click '**Next**' if you agree.
•On the Update Database screen, click on the '**Update**' button.
•Once you see 'Success: Database was successfully updated' click on 'Next'.
•Click the '**Scan**' button.

With some infections, you may see two messages boxes.
  1.'Could not load protection driver'. Click 'OK'.
  2.'Could not load DDA driver'. Click 'Yes' to this message, to allow the driver to load after a restart. Allow the computer to restart. Continue with the rest of these instructions.

•If malware is found, do **NOT** press the Cleanup button when the scan completes. Click EXIT.
Then, please send the following logs as attachments to your reply. These logs are located in the mbar folder on your desktop where the tool extracted itself to.

mbar-log-2014-05-xx(xx-xx-xx).txt (where xx-xx(xx-xx-xx) is the date and time of the scan)



Be sure you attach both these 2 logs.

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