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.

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.

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 [...]

This kind of error can happen when you are using Smart Objects.  This kind of layer is something the plug-ins are not compatible with.  You would want to rasterize the Smart Object first.

For Windows 7 and Windows Vista users, please go to the C drive, then to the Users folder, then to Your User folder, then to AppData folder, and then to the Roaming folder. If you see a Mask Pro 4.0 folder, delete it.  Once that has been removed launch Photoshop.  Open up an image, make [...]

If you are receiving an error message like this it can be due to the AST Service not starting up.  This service is part of our activation process.  You can start this manually.

Windows 7
This is due to the User Account Control (UAC) in Windows 7 being turned on. Please adjust the UAC settings (steps 1-5) [...]

Please go to the locations below and drag these specified files to the trash.

MacHD>Applications; (remove all instances of onOne plugins folders)
MacHD>Applications>Adobe Photoshop>Plugins: (remove all onOne plugins, also need to delete the onOne Library file)
MacHD>Library>Receipts: (remove all Install .pkgs for onOne)
MacHD>Library>Application Support: (remove onOne folder)
MacHD>Users>(You/User)>Library>Application Support: (remove onOne folder)
MacHD>Users>(You/User)>Library>Preferences: (remove all com.ononesoftware.plist)

NOTE: Please make sure to [...]