To Remove VueScan, use the "Help | Remove VueScan" command.
This removes the vuescan.ini and vuescan.log files, and deletes the folder they're in (if empty). This doesn't delete any .ini files you've created.
If an administrator account is used to remove VueScan, the global registration info will be removed, otherwise the registration info for the user removing VueScan will be removed.
On Windows and Mac OS X, the VueScan Photoshop plugin will be removed, the TWAIN data source will be removed and the registry will be cleaned up.
On Windows, any device drivers that VueScan installed will be removed.
On versions of VueScan prior to VueScan 9.5.85, do the following:
To remove VueScan on Windows, use the "Programs and Features" control panel on Windows 10 and use the "Add/Remove Programs" control panel on prior versions of Windows.
To remove VueScan on Mac OS X, click on the VueScan icon in the Applications folder with the right mouse button and choose "Move to Trash. Then drag the VueScan icon out of the dock.
To remove VueScan on Linux, just delete it - no other files are installed.
When you uninstall VueScan on Windows, it will also remove your registration info from the system.
You need to manually remove the registration info on Mac OS X and Linux.
On Mac OS X, delete these two files:
/Users/Shared/.vuescanrc (if it exists)
On Linux, delete these two files:
/etc/.vuescanrc (if it exists)