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What is o2flash.exe?

O2flash.exe is a executable file (a program) within Windows. The filename extension .exe denotes an executable file. You should only run executable files from publishers you trust, because executable files can potentially change your computer settings or harm your computer. The free file information forum can help you determine if o2flash.exe is a virus, trojan, spyware, or adware that you can remove, or a file belonging to a Windows system or to an application you can trust.


O2flash.exe file information

The process known as O2 Flash Memory Service or O2Micro Flash Memory Card Windows Driver (version V2.04, V2.07) or O2Micro Flash Memory

belongs to software O2Micro Flash Memory Card or O2Micro Flash Memory Card Windows Driver or O2 MS1/MP1 Service or O2Micro Flash Memory Card Reader Driver or O2 Flash Memory Service or O2Micro Flash Memory or O2Micro Flash Memory Card Windows

by O2Micro International (www.o2micro.com) or O2Micro International LTD (www.o2micro.com).

Description: O2flash.exe is not essential for Windows and will often cause problems. The file o2flash.exe is located in the folder C:\Windows\System32 or sometimes in a subfolder of C:\Windows. Known file sizes on Windows 7/XP are 36,864 bytes (92% of all occurrences), 57,344 bytes, 65,536 bytes or 143,360 bytes. http://www.file.net/process/o2flash.exe.html 
The program has no visible window. The o2flash.exe file is not a Windows system file. There is no file information. The o2flash.exe file is located in the Windows folder, but it is not a Windows core file. Therefore the technical security rating is 62% dangerous, however also read the users reviews.
If problems with O2Micro Flash Memory Card or O2Micro International LTD. come up, you can also uninstall the associated program (Start > Control Panel > Add/Remove programs ).

Recommended: Identify o2flash.exe related errors

If o2flash.exe is located in a subfolder of "C:\Program Files", the security rating is 32% dangerous. The file size is 65,536 bytes (98% of all occurrences) or 71,512 bytes. The program has no visible window. O2flash.exe is not a Windows system file. The software can be removed using the control panel Add\Remove programs applet.
If problems with O2Micro Flash Memory Card Reader Driver or O2Micro Flash Memory Card come up, you can also do the following:

  • use the software provider's support site
  • uninstall the associated program (Start > Control Panel > Add/Remove programs )

If o2flash.exe is located in the folder C:\Windows\System32\drivers, the security rating is 1% dangerous. The file size is 72,224 bytes (35% of all occurrences), 72,296 bytes, 65,536 bytes or 71,512 bytes. The program is not visible. The file is a Verisign signed file. It is a trustworthy file from Microsoft. The file has a digital signature. O2flash.exe is not a Windows system file.
If problems with O2Micro Flash Memory Card Reader Driver or O2Micro Flash Memory Card come up, you can also do the following:

  • use the software provider's support site
  • uninstall the associated program (Start > Control Panel > Add/Remove programs )

Important: Some malware camouflages itself as o2flash.exe. Therefore, you should check the o2flash.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.



Score

User Comments

seems related to either usb power for charging while computer is off, or other system componenet -- from company that does this stuff, saw it on my Toshiba
  Peter Blaise   (further information)
I think it was the file installed by a driver update from dell.com. It has something to do with my laptop's SD card reader.
  Kerry Wilson   (further information)
On some laptops and desktops with integrated media card readers o2flash.exe is the driver for the reader
  I hate this driver  
it came with installing drivers for card reader - dell laptop - drivers from manufactuer
  Wojtas  
Came with Dell M4700 Laptop with Flash Reader
  cmromer  

Rating chart

Summary: Average user rating of o2flash.exe: based on 12 votes with 5 user comments.
4 users think it's probably harmless. 7 users think it's neither essential nor dangerous. One user thinks o2flash.exe is dangerous and recommend removing it.


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O2flash scanner


Security Task Manager shows all running Windows tasks including embedded hidden functions (e.g. keyboard or browser monitoring, autostart entry). A unique security risk rating indicates the likelihood of the process being potential spyware, malware, keylogger or a Trojan.

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Other processes


o2flash.exe [all]