Please launch the onOne Software plug-in from Photoshop. Once the plug-in has launched, please choose the deactivate option from either the HELP menu or Photoshop menu inside the plug-in. Please DO NOT choose to remove license.  Removing the license will make your license code completely inactive.  Once you have deactivated from one computer you can [...]

The license you agree to during installation allows you to install on to 2 computers for all products made by onOne Software. You will also be able to load on either Macintosh or Windows. If you need to install on to more computers please contact sales for more information.

To prevent this error from appearing, please follow these instructions.
Please create (or have your IT department) an exception for the web IP address, name and port below. Once you have done this, please run the installer again.
www.ononesoftware.com
209.162.184.76
standard web  port 80

For Vista you will want to try to go to Local Disk (C:)\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup.  See if there is a shortcut to the registration program for the onOne product that is asking you to register.  If you see a shortcut called Register (onOne Product Listed here) go ahead and delete it.

NOTE: If you are not able [...]

This is an error with the Install Shield program.  Go to C:\Program Files\Common Files and there will be a folder called InstallShield.  Rename this folder to InstallshieldOld.  You will want to restart the computer.  Once the computer is back up and running try running the installation program again.

This can be a result of an out-dated video driver.   You will want to double check your video card manufacturer in the Device Manager and then go directly to their site to download and install the latest video driver.  An example would be if you have an EVGA 7200GS 256MB PCI-E video card.  EVGA is [...]

Please note that there is an incompatibility with the Windows version of Photoshop CS4 and the onOne menu. When installing any of these updates for Windows Photoshop CS4, the onOne menu may not be present, as you have seen in the past. If you do not see the onOne menu, you can access the plug-in [...]

Below is a list of suggestions to help circumvent the memory errors
1.    Adjust PS Memory allocation to 75%
2.    Turn histories down to 4
3.    Close other applications, restart Photoshop
4.    Go straight to plug in
5.    Flatten the image to an 8bit
6.    Use early in workflow before upsizing
7.    If using a layered file, process only one layer
When the [...]