Hi,
Well, this is not the first time that I have faced this problem. After closing revit and reopening it, some kind of arrows are shown on the building. However, I could not find how to close them. If you can help, I would be happy. Thanks from now on. This is how it looks.
hello, go to options > graphics > untick use hardware acceleration and see if helps. thanks
This is typical of an issue with a graphics card. Besides the other tips you also might try to install updated graphics (or sometimes older) drivers for your graphics card.
Typical some conflict in what has to be drawn on the screen result in such errors. If this error only happens with a certain window family you als might try to (slightly) remodel that window or take another window family
Louis
Please mention Revit version, especially when uploading Revit files.
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