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Should I remove USB CDC Device Driver?

What percent of users and experts removed it?
3% remove it97% keep it
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How common is it?
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VersionDistribution 50.00% 35.71% 14.29%

USB CDC Device Driver

What is USB CDC Device Driver?

This driver enables the PC to read and write to supported removable storage cards and is required to connect the reader the PC.


USB CDC Device Driver is a software program developed by Alcor Micro. The most common release is, with over 98% of all installations currently using this version. The setup package generally installs about 9 files and is usually about 529.04 KB (541,737 bytes). Relative to the overall usage of users who have this installed on their PCs, most are running Windows 7 (SP1) and Windows 10. While about 39% of users of USB CDC Device Driver come from the United States, it is also popular in France and Korea.

Program detailsProgram details

URL: www.alcormicro.com
Installation folder: C:\Program Files\AlcorMicro\USB_CDC_Device_Driver\
Uninstaller: C:\Program Files\InstallShield Installation Information\{4545A088-CCEF-43C2-8840-B34B04594FA6}\setup.exe -runfromtemp -l0x0409
Estimated size: 529.04 KB

Program filesFiles installed by USB CDC Device Driver

  • softctrl.sys - Orthopter (Flow Control Driver - Generic RS232)
  • Uninstaller.exe - Uninstaller Application (Uninstal Application)
  • Installer.exe - Installer Application

How do I remove USB CDC Device Driver?

You can uninstall USB CDC Device Driver from your computer by using the Add/Remove Program feature in the Window's Control Panel.
  1. On the Start menu (for Windows 8, right-click the screen's bottom-left corner), click Control Panel, and then, under Programs, do one of the following:
    • Windows Vista/7/8/10: Click Uninstall a Program.
    • Windows XP: Click Add or Remove Programs.
  2. When you find the program USB CDC Device Driver, click it, and then do one of the following:
    • Windows Vista/7/8/10: Click Uninstall.
    • Windows XP: Click the Remove or Change/Remove tab (to the right of the program).
  3. Follow the prompts. A progress bar shows you how long it will take to remove USB CDC Device Driver.

Win 7 (SP1) 79%
Win 10 21%
Uninstall it 3%
Keep it 97%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 78.57%
Windows 10 21.43%
Which OS releases does it run on?
Windows 7 Professional 28.57%
Windows 7 Home Premium 28.57%
Windows 7 Ultimate 14.29%
Windows 7 Starter 7.14%
Windows 8.1 Enterprise 7.14%
Windows 8.1 7.14%

Distribution by countryGeography

38.89% of installs come from the United States
Which countries install it?
  United States 38.89%
  France 11.11%
  Korea 5.56%
  Sweden 5.56%
  Portugal 5.56%
  Netherlands 5.56%
  Germany 5.56%
  DK 5.56%
  Croatia 5.56%
  Poland 5.56%
  United Kingdom 5.56%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 33.33%
Toshiba 16.67%
Acer 16.67%
Sony 8.33%
ASUS 8.33%
Dell 8.33%
Lenovo 8.33%
Common models
TOSHIBA Satellite L555 7.14%
Sony VGN-NW21MF_S 7.14%
LG Electronics Inc. SD550... 7.14%
HP ZBook 15 7.14%

About (from Alcor Micro Corp.)

Established in 1996, Alcor Micro Corporation is a Taiwan based, fabless IC Design Company with operations located globally.
Publisher URL: www.alcormicro.com


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