74,139,804 programs installed

Should I remove O-Knife?

What percent of users and experts removed it?
1% remove it99% keep it
Overall Sentiment
Very good
What do people think about it?
Be the first to rate (click star to rate)
How common is it?
Reach <0.001%



O-Knife is a software program developed by Brian Henk. 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 opera.exe. The setup package is about 985.02 KB (1,008,661 bytes) when donwloaded. Relative to the overall usage of those who have this installed, most are running it on Windows Vista (SP2). Most users that have installed this software come from the United States.

Program detailsProgram details

Installation folder: C:\users\user\appdata\Local\O-Knife
Uninstaller: wscript "C:\users\user\appdata\Local\O-Knife\uninstall.vbs"
Estimated size: 985.02 KB

Program filesFiles installed by O-Knife

Program executable:opera.exe
Name:Opera Internet Browser
Signed by:Opera Software ASA
Path:C:\Program Files\opera\opera.exe
Opera is a web browser and Internet suite developed by Opera Software. The browser handles common Internet-related tasks such as displaying web sites, sending and receiving e-mail messages, managing contacts, chatting on IRC, downloading...
  • O-Knife.exe (by Opera Software) - Opera Internet Browser

Program behaviorsBehaviors exhibited

Scheduled Task
  • O-Knife.exe is scheduled as a task with the class '{B5609442-46C4-4B5E-A5BE-5CAC3FB69465}' (runs on registration).
Windows Firewall Allowed Program
  • O-Knife.exe is added as a firewall exception for 'C:\Program Files\Opera\opera.exe'.

How do I remove O-Knife?

Quickly and completely remove O-Knife from your computer by downloading "Should I Remove It?", its 100% FREE and installs in seconds (click the button below).
Or, you can uninstall O-Knife 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: Click Uninstall a Program.
    • Windows XP: Click Add or Remove Programs.
  2. When you find the program O-Knife, click it, and then do one of the following:
    • Windows Vista/7/8: 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 O-Knife.

Uninstall it 1%
Keep it 99%
Windows Vista (SP2)
United States

Distribution by countryGeography

100.00% of installs come from the United States
Which countries install it?
  United States 100.00%


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