So, when I was working on my koth map I placed a few overlays. When I place overlays/decals hammer will just crash for no reason, but in the past it stopped when it crashed and it would require me to place an overlay again to make it crash. But now after i placed a bunch of patch overlays under my health packs it started crashing every few minutes and i have removed them, reinstalled (and wiped all custom content) tf2 several times and started on an entirely new map and its still happening. It is impossible for me to progress in any map because of this constant crashing. I even open decompiled valve maps and it still happens after messing around for a few minutes. Please reply with anything that could help me. Thanks.