Error after install NSB 8.5.3

I got the following error after install NSB 8.5.3.

Please help

Thanksappstudio error

Can you try doing a complete uninstall of your old version?

the error still on complete uninstall my old version.

i am using win 7 pro


That’s the problem. Microsoft dropped support for Windows 7 a while ago. Now, the libraries we use to build AppStudio are dropping support for Windows 7. Everything is going 64 bit now.