If you see an error message saying "This app version cannot be activated with your license (Ver. 1)" upon launching Ver. 2. - Clip Studio Official Support
![Arya Lin on X: "How to deactivate license and re-installing CSP (Clip Studio Paint) with the same Serial Number https://t.co/t21obkHZ5N https://t.co/WeB1Tf7RXw" / X Arya Lin on X: "How to deactivate license and re-installing CSP (Clip Studio Paint) with the same Serial Number https://t.co/t21obkHZ5N https://t.co/WeB1Tf7RXw" / X](https://pbs.twimg.com/media/DsgL7xBVAAAzeky.jpg)
Arya Lin on X: "How to deactivate license and re-installing CSP (Clip Studio Paint) with the same Serial Number https://t.co/t21obkHZ5N https://t.co/WeB1Tf7RXw" / X
When I verify my serial number, I get a message telling me the serial number is incorrect. - Clip Studio Official Support
![v2.0.0, v1.6.2] CLIP STUDIO PAINT – World-class standard painting software for Manga | AppNee Freeware Group. v2.0.0, v1.6.2] CLIP STUDIO PAINT – World-class standard painting software for Manga | AppNee Freeware Group.](https://img.appnee.com/appnee.com/2017/CLIP-STUDIO-PAINT-4.png)