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Should I remove O2Micro PCIe SCR Driver?

What percent of users and experts removed it?
9% remove it91% keep it
Overall Sentiment
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How common is it?
Global Rank #46,839
Reach 0.0017%


1.0.01 12.12%
1.0.00 87.88%

O2Micro PCIe SCR Driver

What is O2Micro PCIe SCR Driver?

This is the software package that includes the required drivers, configuration and management utilities to support the O2Micro PCIe.


O2Micro PCIe SCR Driver is a software program developed by O2Micro International LTD. The most common release is 1.0.00, with over 98% of all installations currently using this version. The primary executable is named DPInst.exe. The setup package generally installs about 4 files and is usually about 1.16 MB (1,216,438 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 22% of users of O2Micro PCIe SCR Driver come from Singapore, it is also popular in Hong Kong and Australia.

Program detailsProgram details

URL: www.O2Micro.com
Installation folder: C:\Program Files\O2Micro PCIe SCR Driver\
Uninstaller: "C:\Program Files\InstallShield Installation Information\{EE59D6C5-910F-4402-808B-79E1C301CE36}\setup.exe" -runfromtemp -l0x0409 -removeonly
Estimated size: 1.16 MB

Program filesFiles installed by O2Micro PCIe SCR Driver

Program executable:DPInst.exe
Name:Driver Package Installer (DPInst)
Driver Package Installer
Path:C:\Program Files\O2Micro PCIe SCR Driver\DPInst.exe
Additional files:
  • OZ888SCRw7x64.sys - O2Micro (c) SmartCardBus Reader (OZ888 Smartcard Reader Driver for x64 System)
  • DIFxAPI.dll (by Microsoft) - Driver Install Frameworks API (DIFxAPI) (Driver Install Frameworks for API library module)
  • DPInst.exe (by Microsoft) - Driver Package Installer (DPInst) (Driver Package Installer)

How do I remove O2Micro PCIe SCR Driver?

You can uninstall O2Micro PCIe SCR 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 O2Micro PCIe SCR 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 O2Micro PCIe SCR Driver.

Win 7 (SP1) 88%
Win 7 3%
Uninstall it 9%
Keep it 91%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 90.91%
Windows 10 9.09%
Which OS releases does it run on?
Windows 7 Professional 36.36%
Windows 7 Home Premium 33.33%
Windows 7 Ultimate 12.12%
Windows 7 Enterprise 6.06%
Windows 7 Starter 3.03%
Windows 10 Pro 3.03%

Distribution by countryGeography

22.22% of installs come from Singapore
Which countries install it?
  Singapore 22.22%
  Hong Kong 13.89%
  Australia 13.89%
  United States 11.11%
  Taiwan 8.33%
  Germany 5.56%
  Italy 5.56%
  Malaysia 5.56%
  Thailand 2.78%
  Finland 2.78%
  Romania 2.78%
  Slovakia 2.78%
  United Kingdom 2.78%

About (from O2Micro International LTD.)

O2Micro International limited designs, develops and markets innovative power management and e-commerce components and systems for the Communications, Computer, Consumer, Industrial, and Automotive markets.
Publisher URL: www.o2micro.com


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