Date:2013-06-04
Safety:Kaspersky McAfee Noton BitDefender AVG

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Microsoft Exchange Web Postas Product Version: (6.5:7638.1) 6.5.7638.1

·Go to the download page

Using the zip or rar file
1.Download webrstr-trk.dll 6.5.7638.1
2.Extract webrstr-trk.dll 6.5.7638.1 from .zip. We recommend that you extract webrstr-trk.dll 6.5.7638.1 to the installation directory of the program that is requesting webrstr-trk.dll 6.5.7638.1.
3.If that doesn't work, you will have to extract webrstr-trk.dll 6.5.7638.1 to your system directory. By default, this is:
C:\Windows\System32 (Windows XP, Vista, 7, 8)
C:\WINNT\System32 (Windows NT/2000)
C:\Windows\System (Windows 95/98/Me)
4.If you use a 64-bit version of Windows, you should also place webrstr-trk.dll 6.5.7638.1 in C:\Windows\SysWOW64\
5.Make sure overwrite any existing files (but make a backup copy of the original file).
6.Reboot your computer.
7.If the problem still occurs, try the following:
8.Open Windows Start menu and select "Run...".
9.Type CMD and press Enter (or if you use Windows ME, type COMMAND)).
10.Type regsvr32 webrstr-trk.dll 6.5.7638.1 and press Enter.