If you're having issues with Malwarebytes' Anti-Malware freezing when scanning or when enabling the Protection Module or Updates being blocked then please try the procdures below

Basic procedures to correct freezing or disappearing program issues with Trend Internet Security Pro
Please try this even if you did this with previous versions of MBAM as the new version has new signatures that your Anti-Virus needs to reset to allow again

  1. Install MBAM but DO NOT enable the Registration at this time. If you're already freezing then start in Safe Mode and disable the MBAM Protection Module from loadig.
  2. While logged onto Windows, double click on the Trend icon in the system tray or open the program from the Start Menu
  3. On the left side click on Personal Firewall Controls - on the right side click on the Settings...
  4. Then click on the Advanced Settings button.
  5. Then click on the Program Control tab on top and click on the Add button.
  6. Under description type in: Malwarebytes Anti-Malware
  7. Under Target click on the Browse button and browse to the folder: C:\Program Files\Malwarebytes' Anti-Malware
  8. Choose mbam.exe and click the Open button which will add mbam.exe to the exception list
  9. Under Firewall Response: make sure it is set to Allow and click OK
  10. Click OK again twice to finish up adding the entry. This will now allow MBAM to access the Internet for updates.
  11. Now let's setup Trend Anti-Virus so that it trusts MBAM files which have new signatures
  12. On the left side click on Virus & Spyware Controls - on the right side click on the Prevent Unauthorized Changes
  13. Click on the Exception List button.
  14. Click on the Add program button and browse to the folder: C:\Program Files\Malwarebytes' Anti-Malware
  15. You will have to select the files one by one and add them. Please add the following files.
  16. mbam.exe, mbam-dor.exe, mbamgui.exe, mbamservice.exe
  17. By default the Response is set to Block so you need to click the down arrow and select Trust for all of the MBAM files.
  18. Now let's add the MBAM Driver files to the list of Trusted files.
  19. Click on the Add program button and browse to the folder: C:\Windows\System32\Drivers
  20. NOTE: By default Trend only allows .EXE and .COM files to be added to the list so you will need to type in *.sys or *.* and hit the Enter key on your keyboard to see the .sys file types.
  21. You will have to select the files one by one and add them. Please add the following files.
  22. mbam.sys, mbamswissarmy.sys
  23. By default the Response is set to Block so you need to click the down arrow and select Trust for all of the MBAM files.
  24. Now let's add the MBAM rules file to the list of Trusted files.
  25. The path is different between 2000/XP and Vista
  26. 2000/XP Path is: C:\Documents and Settings\All Users\Application Data\Malwarebytes\Malwarebytes' Anti-Malware\
  27. Vista Path is: C:\ProgramData\Malwarebytes\Malwarebytes' Anti-Malware
  28. NOTE: By default Trend only allows .EXE and .COM files to be added to the list so you will need to type in *.ref or *.* and hit the Enter key on your keyboard to see the .ref file types.
  29. Please add the following file
  30. rules.ref
  31. When done the entries for trusted files should look like the image below
  32. Click the OK button
  33. If you're using the free version of MBAM you're done and Trend should no longer block MBAM.
  34. If you're using the Registered version then go to the Protection tab in MBAM and enter in your ID[b] and [b]KEY you recieved in the mail by clicking the Register button
  35. Now click on the Start Protection button. This should place the MBAM icon in the task tray
  36. Double click the MBAM icon in the task tray and do a Quick Scan to confirm there are no longer any freezing issues.

Special thanks to Yardbird for his help and testing to confirm these settings for Trend