CITRIX WINFRAME. Filename: USRMODEM.INF Supported Tron modems: - QuaTron FM33.6 (up to 33600) - QuaTron FM56.0 (up to 56000) - Tron DF33.6 (up to 33600) - WebJet PPP (64K) - WebJet V120 (64K) - WebJet X75 (64K) - Tron TTA128 PPP (64K) - Tron TTA128 V120 (64K) - Tron TTA128 MLPPP (128K) - Tron TTA128 MLV120 (128K) - Tron TTA128 X25 (64K) - Tron TTA128 V110 (38K4) - Tron TTA128M Modem (up to 33600) Manual: Rename the original usrmodem.inf (if exist) from the \winnt35\system32\ras directory to another filename. Then copy the INF-file from this driverdisk to the directory mentioned above.Download Driver Pack
After your driver has been downloaded, follow these simple steps to install it.
Expand the archive file (if the download file is in zip or rar format).
If the expanded file has an .exe extension, double click it and follow the installation instructions.
Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.
Find the device and model you want to update in the device list.
Double-click on it to open the Properties dialog box.
From the Properties dialog box, select the Driver tab.
Click the Update Driver button, then follow the instructions.
Very important: You must reboot your system to ensure that any driver updates have taken effect.
For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.