# How to fix editor stuttering and freezing? **URL:** \ **Category:** Getting Started & Setup\ **Tags:** editor-crash, unreal-engine, question\ **Created:** [May 14, 2023, 1:20am UTC](https://forums.unrealengine.com/t/how-to-fix-editor-stuttering-and-freezing/1165003 "2023-05-14T01:20:50Z")\ **Posts on this page:** 1\ **Showing post:** 9
**Author:** ![RecourseDesign](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/recoursedesign/32/1194503_2.png) [@RecourseDesign](https://forums.unrealengine.com/u/RecourseDesign)\ **Post date:** [May 14, 2023, 6:05pm UTC](https://forums.unrealengine.com/t/how-to-fix-editor-stuttering-and-freezing/1165003/9 "2023-05-14T18:05:14Z")
It could be a problem with Edit Layers, check out this post: > [@Landscape painting - very laggy](https://forums.unrealengine.com/t/landscape-painting-very-laggy/567610): > > Hi! Running 5.0.2. Whenever I try to paint on my landscape, the FPS dips to under 1. The culprit is Landscape Layer Copy Texture: This is pretty new. It first happened when my shader compression format (Project Settings → Engine/Rendering) was set to Oodle. I changed it to LZ4 and that fixed it. However, since then it regressed somehow and I’m still on LZ4 (though every shader compression format has the same effect). It never happened on UE4. I’ve tr… --- _[View the full topic](https://forums.unrealengine.com/t/how-to-fix-editor-stuttering-and-freezing/1165003)._