Upgrade problems to ARC 26

[TAhrens]

Hello, 

I upgraded my Archicad to the 26 Version and everything works just fine with the exception of the shown elements and lines getting displayed in a weird, pixely way (take a look at the pictures). Zooming in and out doesn't look how it supposed to do. It looks like there are 2 Lines in the same position. Is this a Archicad setting thing or has this something to do with my PC? But Archicad 25 works just the it should so I guess it is an Archicad setting problem right? 

Thanks for your help 🙂

[Lee Hankins]

You haven't got a duplicate showing as a trace reference have you? Make sure your Trace and Reference is turned off.

[Emre Senoglu]

do you have 2d antialising turned on?

options > work environment > advanced redraw.

[Markus Denzlinger]

Archicad 25 uses open GL while Archicad 26 uses directX. Make sure your graphic card and the driver is capable.