84,488,480 programs installed

Should I remove Cortona3D Viewer?

What percent of users and experts removed it?
7% remove it93% 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?
Global Rank #9,242
United States Rank #9,483
Reach 0.0407%
Lifespan of installation (until removal)
< 23.11 days
681.87 days >
Average installed length: 358.27 days


8.2.200 0.37%
8.1.199 0.25%
8.0.196 0.75%
7.0.191 3.62%
7.0.188 64.96%
7.0.187 1.87%
7.0.185 0.87%
6.0.181 2.87%
6.0.180 12.72%
6.0.179 11.10%
6.0.171 0.62%

Other programs by ParallelGraphics

Cortona3D Viewer

What is Cortona3D Viewer?  (from ParallelGraphics)

A set of optimized 3D renderers guaranties the best visual quality on both PCs with the latest video-cards and those with more basic video card capabilities. Cortona3D Viewer (previously known as Cortona VRML Client) works as a VRML plug-in for popular Internet browsers (Internet Explorer, Mozilla Firefox, Google Chrom...  Read more


Cortona3D Viewer is a software program developed by ParallelGraphics. The most common release is 7.0.188, with over 98% of all installations currently using this version. The primary executable is named cortona_vistabroker.exe. The setup package generally installs about 33 files and is usually about 8.2 MB (8,597,592 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 42% of users of Cortona3D Viewer come from the United States, it is also popular in Russia and Germany.

Program detailsProgram details

URL: www.parallelgraphics.com/products/cortona
Installation folder: C:\Program Files\Common Files\ParallelGraphics\Cortona\
Uninstaller: MsiExec.exe /X{ED0695C2-068A-4CE3-A224-F2457EFDCFA3}
(The Windows Installer is used for the installation, maintenance, and removal.)
Estimated size: 8.2 MB
Language: Russian (Russia)

Program filesFiles installed by Cortona3D Viewer

Program executable:cortona_vistabroker.exe
Name:Cortona3D Viewer
Vista Broker Object
Path:C:\Program Files\Common Files\ParallelGraphics\Cortona\cortona_vistabroker.exe
Additional files:
  • cortona_u3d.dll - ParallelGraphics Cortona U3D Plug-in (Cortona U3D Plug-in)
  • CarbonCopy.dll - Cortona Snapshot Printing Support
  • cortona_native.dll - Cortona VRML Client (Cortona Native Script Engine)
  • Engine.dll - Cortona VRML Engine
  • 3DViewServiceAdapter.dll - Cortona VRML Client (Cortona 3DViewService Adapter for Visual Basic)
  • chameleon.dll - Chameleon: Customizable Look and Feel
  • corteai.dll - Cortona EAI Registrator
  • cortjava.dll - Cortona Java For ActiveX Control
  • cortona_control.dll - Cortona ActiveX Control
  • cortona_dxs.dll - Cortona Sound System
  • cortona_imagers.dll - Cortona Imaging System
  • cortona_js2.dll - Cortona JavaScript
  • cortona_res.dll - Cortona Resources
  • cortona_support.dll - Cortona Support
  • cortona_transport.dll - Cortona Transport System
  • dsound_renderer.dll - Cortona DirectSound Renderer
  • DXSelector.dll - DirectX Renderer Version Selector
  • MovieImager.dll - Cortona Movie Imager
  • movietexturerenderer.dll - Cortona MovieTexture Renderer
  • RevancheDX5.dll - DirectX v5.0 Based Low Level Renderer
  • RevancheDX7.dll - DirectX v7.0 Based Low Level Renderer
  • RevancheOGL.dll - OpenGL Based Low Level Renderer
  • Rob.dll - High Level Renderer Objects
  • RSoft32.dll - Software Low Level Renderer
  • Shelley3.dll - Cortona VRML Automation Driver
  • npcortona.dll - Cortona3D Viewer (Cortona3D Plug-in for Mozilla-based Browsers (7, 0, 0, 188))
  • RevancheDX9.dll - DirectX v9.0c Based Low Level Renderer

Program behaviorsBehaviors exhibited

Google Chrome Plugin
  • npCortona.dll is loaded in the Google Chrome web browser as 'npCortona.dll'.
Mozilla Plugin
  • npcortona.dll is loaded into Mozilla Firefox under the product name 'Cortona3D Viewer' with a plugin key of '@parallelgraphics.com/Cortona' for all users of the PC.

How do I remove Cortona3D Viewer?

You can uninstall Cortona3D Viewer 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 Cortona3D Viewer, 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 Cortona3D Viewer.

How do I reset my web browser?

If your web browser homepage and search settings have been modfied by Cortona3D Viewer you can restore them to their previous default settings.
Microsoft Internet Explorer
Mozilla Firefox
Google Chrome

Win 7 (SP1) 57%
Win Server 2003 0%
Plugs into Mozilla Firefox
Uninstall it 7%
Keep it 93%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 62.09%
Windows 10 21.95%
Windows XP 9.35%
Windows Vista 6.48%
Windows Server 2003 0.12%
Which OS releases does it run on?
Windows 7 Home Premium 25.81%
Windows 7 Ultimate 16.17%
Windows 7 Professional 13.03%
Microsoft Windows XP 9.40%
Windows 10 Home 5.39%
Windows 8.1 4.01%

Distribution by countryGeography

41.63% of installs come from the United States
Which countries install it?
  United States 41.63%
  Russia 9.41%
  Germany 7.11%
  United Kingdom 3.97%
  Hungary 3.66%
  Italy 2.62%
  France 2.51%
  Czech Republic 2.51%
  Canada 2.09%
  Spain 1.36%
  Sweden 1.26%
  Austria 1.26%
  Netherlands 1.26%
  UA 1.05%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Hewlett-Packard 25.45%
Dell 24.55%
Acer 14.29%
ASUS 10.49%
Samsung 4.69%
Lenovo 3.79%
Toshiba 3.13%
American Megatrends 1.56%
Intel 0.89%
Sony 0.89%
MSI 0.67%
Common models
HP Pavilion dv6 Notebook ... 4.61%
HP Pavilion g6 Notebook P... 4.15%
HP Pavilion dv7 Notebook ... 4.15%
Dell Inspiron 1545 2.30%
HP Pavilion 15 Notebook P... 2.30%
ASUS All Series 1.84%


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