usrrtosa.dll File Information
  • DLL File Name:usrrtosa.dll
  • File Type:Win32 DLL
  • Product Name:U.S. Robotics Modem Driver
  • Developer:U.S. Robotics Corporation
  • File Version:4.11.21.0
  • File Size:76.06KB
  • Language Code:English
  • Character Set:Unicode
  • MD5 Checksum:Multiple Files
  • Copyright:Copyright © 2000 U.S. Robotics Corporation
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Usrrtosa.dll Errors and Solutions

3crtos

The file usrrtosa.dll is a 32bit Windows DLL module for U.S. Robotics Modem Driver or other related programs. The file is also referred as 3crtos.dll. The file and the associated U.S. Robotics Modem Driver software was developed by U.S. Robotics Corporation. The file was licensed as Copyright © 2000 U.S. Robotics Corporation.

usrrtosa.dll file is a critical component for the software to work properly without any problems. You may receive an error message like the ones below that indicates the file is not found or damaged.

  • This application failed to start because usrrtosa.dll was not found.
  • The file usrrtosa.dll is missing or corrupted.
  • A required component is missing: usrrtosa.dll. Please install the application again.
  • Error loading usrrtosa.dll. The specified module could not be found.
  • The program can't start because usrrtosa.dll is missing from your computer.

To fix the error, you need to copy the missing usrrtosa.dll file to your system or replace the corrupted dll file with a working one by following the instructions below. The current version of dll file available on our site is 4.11.21.0 with a size of 76.06KB.

How to Install usrrtosa.dll

You can download usrrtosa.dll for free from the download section on this page. After downloading the zip file, unzip it to a convenient location on your computer. In order to fix dll related errors, you need to copy the .dll file to the installation folder of the application/game, or install .dll file directly to Windows (Windows XP, Vista, Windows 7, Windows 10).

Install DLL File to Program Folder

· Copy the extracted usrrtosa.dll file to the installation directory of the application or game.

· Check if the problem is solved. If the problem persists or you are not sure which software is having problems, install the file directly to Windows system folder.

Register DLL File Using Microsoft Regsvr

· Copy the file to "C:\Windows\System32\"

· You can install the .dll file in both system folders without any problems. In order to complete this step, you must run the Command Prompt as administrator.

· Open the Start Menu and before clicking anywhere, type "cmd" on your keyboard.

· Right-click the "Command Prompt" search result and click the "Run as administrator" option.

· Paste the following command into the Command Line window that opens up and press Enter key.

· %windir%\System32\regsvr32.exe usrrtosa.dll

Download usrrtosa.dll
Version OS Size Language Download
4.11.21.0 32bit 76.1KB English Download
4.11.21.0 32bit 76.1KB English Download
4.11.21.0 32bit 76.1KB English Download

Please note : This is a free download. No guarantees or warranties are given or implied. Please download and install the file at your own risk...

About Developer
U.S. Robotics Corporation

U.S. Robotics Corporation, often called USR, is a company that produces USRobotics computer modems and related products. U.S. Robotics Corporation is the developer of 13 dll files in our archive, available for free download, including popular files like usrvpa.dll, usrv42a.dll, usrdpa.dll, usrfaxa.dll.

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