84,488,480 programs installed

Should I remove O2Micro Smartcard Driver?

What percent of users and experts removed it?
5% remove it95% keep it
Overall Sentiment
What do people think about it?
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How common is it?
Global Rank #39,727
Reach 0.0025%


2.32 76.00%
2.30.0000 18.00%
2.28.0000 6.00%

O2Micro Smartcard Driver

What is O2Micro Smartcard Driver?

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


O2Micro Smartcard Driver is a software program developed by O2Micro International LTD. The most common release is 2.32, with over 98% of all installations currently using this version. A scheduled task is added to Windows Task Scheduler in order to launch the program at various scheduled times (the schedule varies depending on the version). The software is designed to connect to the Internet and adds a Windows Firewall exception in order to do so without being interfered with. The primary executable is named DPInst.exe. The setup package generally installs about 3 files and is usually about 1.19 MB (1,250,878 bytes). Relative to the overall usage of users who have this installed on their PCs, most are running Windows 7 (SP1) and Windows XP. While about 32% of users of O2Micro Smartcard Driver come from the United States, it is also popular in Germany and Austria.

Program detailsProgram details

URL: www.O2Micro.com
Installation folder: C:\Program Files\O2Micro\
Uninstaller: C:\Program Files1\FICHIE~1\INSTAL~1\Driver\1050\INTEL3~1\IDriver.exe /M{8B993121-CF5C-43C0-9296-0C1B7F515B27} /l1033
Estimated size: 1.19 MB

Program filesFiles installed by O2Micro Smartcard Driver

Program executable:DPInst.exe
Name:Driver Package Installer (DPInst)
Driver Package Installer
Path:C:\Program Files\O2Micro\DPInst.exe
Additional files:
  • DrvInst.exe - DrvInst Application (O2Micro driver installation utility)
  • 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)

Program behaviorsBehaviors exhibited

Scheduled Task
  • DPInst.exe is scheduled as a task with the class '{9D7E6BB6-D452-4E75-96F0-43F9D85FCFCE}' (runs on registration).
Windows Firewall Allowed Program
  • DPInst.exe is added as a firewall exception for 'C:\Program Files\PC Connectivity Solution\DPInst.exe'.

How do I remove O2Micro Smartcard Driver?

You can uninstall O2Micro Smartcard 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 Smartcard 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 Smartcard Driver.

Win 7 (SP1) 42%
Win XP 2%
Uninstall it 5%
Keep it 95%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 42.00%
Windows XP 28.00%
Windows Vista 28.00%
Windows 10 2.00%
Which OS releases does it run on?
Microsoft Windows XP 28.00%
Windows Vista Business 22.00%
Windows 7 Professional 16.00%
Windows 7 Ultimate 14.00%
Windows 7 Home Premium 12.00%
Windows Vista Home Premiu... 6.00%

Distribution by countryGeography

31.75% of installs come from the United States
Which countries install it?
  United States 31.75%
  Germany 17.46%
  Austria 6.35%
  United Kingdom 6.35%
  Norway 4.76%
  Australia 4.76%
  Italy 4.76%
  MA 3.17%
  France 3.17%
  Netherlands 3.17%
  Canada 3.17%
  Singapore 1.59%
  South Africa 1.59%
  Sweden 1.59%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Acer 61.90%
Dell 14.29%
ASUS 9.52%
Sahara 4.76%
Vestel 4.76%
Lenovo 4.76%
Common models
Acer TravelMate 6592 6.52%
Acer TravelMate 6492 6.52%
Acer TravelMate 6460 4.35%
FUJITSU LifeBook T4220 4.35%
Dell Computer Latitude D6... 4.35%

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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