Shaba
Security Expert: Emeritus
That is fine 
Please click this link-->Jotti
Copy/paste file on the list into the white Upload a file box and click Submit/Send (depends on which one you are using Jotti or VirusTotal).
C:\WINDOWS\msnplug.exe
Please post back the results of the scan in your next post.
If Jotti is busy, try the same at Virustotal: http://www.virustotal.com/

Please click this link-->Jotti
Copy/paste file on the list into the white Upload a file box and click Submit/Send (depends on which one you are using Jotti or VirusTotal).
C:\WINDOWS\msnplug.exe
Please post back the results of the scan in your next post.
If Jotti is busy, try the same at Virustotal: http://www.virustotal.com/