screen and objects have flickering black square/triangle also white blinking spot

[DefinitelynotRubylumi]

Open the game Launcher and click the Cog button (Config), select System Information and then Copy to Clipboard.

Next, edit an old post you've made already, and then right click in the text field where you type your message and select Paste and update the post.
Doing so, we can then see what your PC setup is and maybe find the cause or offer advice, this is what the Moderators request if you check the stickied thread at the top of this forum.

this's the first time i heard about it, the sticky thread have like europe issue, packet lose which nothing in there and gpu something from patch 4.0 and the welcome for rules and Categories. anyway ill go add that system info