Hello. Faced such a problem after upgrading the operating system from win7 to win10. The version of Construct 2 r250.
In the editor, sprites around the edges are blurred, like so:
And when you start the project, everything is fine:
I here sketched a very simple project on a working computer. Here's how the project is displayed on my computer:
And here's how the project is displayed after the launch:
I do not know what to do