Date:2013-06-27
Safety:Kaspersky McAfee Noton BitDefender AVG

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OPCSig.dll

·Go to the download page

Using the zip or rar file
1.Download OPCSig.dll
2.Extract OPCSig.dll from .zip. We recommend that you extract OPCSig.dll to the installation directory of the program that is requesting OPCSig.dll.
3.If that doesn't work, you will have to extract OPCSig.dll 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 OPCSig.dll 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 OPCSig.dll and press Enter.