Error when trying to activate PaintShop Pro 2018 upgrade


  • I get an error when trying to activate PaintShop Pro 2018
  • I’ve just upgraded to Ultimate and the activation isn’t working
  • I’ve upgrade from PaintShop Pro Essentials 2018 to Pro and the activation doesn’t seem to work
  • Entering my new SN causes an error when trying to activate

There are a number of reasons for this issue to happen. All of these can be resolved by uninstalling the current version of PaintShop Pro and reinstalling the version that you upgraded to.

*** Before you start, make sure you have your confirmation email with your new serial number and download link. You can save a little bit of time by download the new installer while you uninstall your old version.

How to Uninstall Corel PaintShop Pro 2018

Windows 10

  1. Go to the Control Panel by typing “Control Panel” in the Windows search box
  2. In the Programs section, click on Uninstall a program
  3. From the list, find Corel PaintShop Pro 2018
  4. Right-click on PaintShop Pro 2018 and select Uninstall/Change
  5. Follow the onscreen instructions to uninstall. Make sure to select any options that are related to removing PaintShop pro.

If the above steps failed, use the PSP2018_Cleanup zip file that can be found here

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