Hello everybody

A friend installed radiant some mins ago and he got a problem.
We tried to resolve it ourselves in removing & intalling and some other stuff...The problem is still here.

When he is pressing right click on grid part, the grids moves too quickly and radiant crash, it's weird and i have pics for you.

when its good:

Click image for larger version.  Name: good.png  Views: 48  Size: 587.5 KB  ID: 1197

when there is problem (see in the left of the grids part)

Click image for larger version.  Name: IMG_02082016_173525.png  Views: 47  Size: 586.3 KB  ID: 1196

i hope, you will help me
ORDI