I don’t know all I know is what I said happend yesterday night and then a friend told me that they think roblox crashed
Remove every single plugin I’ve had this problem before
It looks like your script keeps adding new lines. This is like running this code:
while true do
end
Without the wait(), so that it exhausts its allowed execution time. This may be because of a plugin, because those are really the only things that can change scripts. What did you for this to start happening? Or did you just open a script and did it just start doing that stuff? Additionally, this may be unrelated, but what is your current CPU and how much RAM do you have? I just want to make sure that it is not a factor, cause if a lot of processing is happening in the script, your CPU/RAM might not be able to handle it, and therefore, studio crashes.
Also exit studio and make a new game or just delete any random scripts you fine
Could it be your PC just can’t handle roblox studio?
Um what is strange is how the lines keep getting added when ur not adding them. It could be a plugin with a virus.
I don’t think it’s my PC I can post specs if you wish, it handles roblox studio fine ever time I don’t think it’s that, aswell as that building and everything else except for editing a script is working fine and smoothly.
and 16 GB of RAM
Alright, will do. Hopefully it works
Strange. I guess you could always try uninstalling and reinstalling roblox studio
Already did so, trying to un install all plugins hoping it works this happened to me before
First try to delete some temporary files. Hold down the Windows key and press R. Type in %temp% into the search box and press enter.
Now, press CTRL + A and delete all the files. If you see a box that says something like this:
Then check off “Do this for all current items” and press Skip. You should also skip any item requiring administrator access just so that you don’t break stuff. Now, uninstall all your Roblox Studio plugins. Then, uninstall Roblox Studio AND Roblox Player. Restart your PC. Log in, and ONLY install Roblox Studio and Roblox Player. Now launch Studio and tell me if it crashes when you create a new game and go into script editor. DO NOT INSTALL ANY PLUGINS YET. It seems that your copy of Roblox Studio is bad and corrupted, as it is getting into an infinite loop with no wait time, therefore, crashing the application.
Update: Roblox Studio is extremely broken. I just lost an entire place. Hopefully I can revert it, good luck. Let me know if that works. update 2 yay i restored it lol
This is a serious Mac issue as well (i’m on windows). Roblox hasn’t found a solution yet you can check in some older posts and see Windows users with this exact issue 
, I lost the thread I can’t find it anymore. It also concerns how Roblox randomely throttles CPU and GPU usage. I have an i7 and decent Radeon Graphics that can get VR to run at like 1440p 60fps and once I was playtesting my game with full graphics and I hit like 10fps but my CPU and GPU usage were both under 5% for that Studio Instance.
Reinstall seems to remedy some problems, also try and find anything in the Studio Instance draining performance, even with throttling editing a Script shouldn’t lag regardless of any issues. It is probably because Roblox simply has no reason to use more CPU because any PC could handle it with a certain amount of FLOPS (floating-point operations per second). But if something else is interfering then there won’t be enough FLOPS to go around, kinda like how a script can lag Roblox by abusing RenderStepped or Heartbeat. (lol i sound so stupid)
Good luck with a solution.
Welp. All I really can say is Roblox is extremely broken at the moment and I seriously have no idea why. Like, a lot of my scripts don’t work, Studio is acting really wonky, so I guess we have to wait for the devs to fix it lol.
Uh just a question, is it getting worse for you? Script editing has now gotten laggy on MacOS and Windows. Also when I change tools the engine freezes for a full on 50 seconds not polling Windows Events (doesn’t respond). It crashes a lot too. Just trying to make sure this doesn’t correlate 
I guess I personally have not experienced this problem, I am on Windows. However, I assume that if I wait a little longer then I will start having problems myself. But, this does seem to be some sort of bug that Roblox needs to fix. I know, you probably already did, but have you tried deleting everything and reinstalling yet?
This bug seems to be occurring to me as well.
This bug is still going on, so hard to write something its like really frustrating
If you are still having this issue, another way that could solve this by disabling G-SYNC in the NVIDIA Control Panel, that is, if you have an nvidia graphics card.
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This is happening to me too. Mine lags less but it still so annoying.