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Download Usrsdpia.dll and fix "dll not found" error!

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To quickly resolve your problem, we recommend download and use usrsdpia.dll Fix Tool. If you have technical experience and you want to install a DLL file manually, please select your version of Windows and download usrsdpia.dll, after that copy it to the appropriate place using the instruction below, it will fix dll errors.

What is Usrsdpia.dll ?

usrsdpia.dll - dll file called "3csdpi" is a part of U.S. Robotics Modem Driver program developed by U.S. Robotics Corporation.

Some applications or games may need this file to work properly. If usrsdpia.dll is missing, whenever you start the application/game you may experience various kinds of errors. To fix those errors, please read the Recommended Solution below.

File version: 4. 11. 21

File size: 48.06 KB

MD5 file sum: 3887DA9258677E552B3DDAF0A25C74D7

SHA1 file sum: 58CF61BBAF6EFF15C576EBF482718FA6DFAD996F

Usrsdpia.dll Error Screenshot

usrsdpia.dll missing

Possible error messages regarding this file:

usrsdpia.dll is missing

usrsdpia.dll error loading

usrsdpia.dll crash

usrsdpia.dll was not found

the procedure entry point usrsdpia.dll

usrsdpia.dll could not be located

usrsdpia.dll Access Violation

Cannot find usrsdpia.dll

Cannot register usrsdpia.dll

Recommended Solution to Fix Dll Error

To fix errors related with .DLL file you need to download usrsdpia.dll and copy it to the installation folder of the application or game, or copy it into the Windows system folder and it should fix the error. If you don’t know how to install this file, please read our tutorial about How to install DLL files.


Version / BitsSizeMD5/SHA-1
324. kb

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I’ve been looking everywhere for missing .DLL file and found it here on Thank you very much.

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