I'm getting the same message and when I go to my program files (x86) -> Minecraft -> tmp, there's nothing in there unless I'm actually launching the minecraft. But when I'm launching the minecraft I see the tmpLauncher.tmp but I can't delete it or move it because it'll say "The action can't be completed because the file is open in Minecraft launcher." I got the "Problem moving C:/Program Files (x86)/Minecraft/tmp/tmpLauncher.tmp to MinecraftLauncher.exe with error code 5" message the other week but it fixed and now it came back. Idk what to do.
I'm getting the same message and when I go to my program files (x86) -> Minecraft -> tmp, there's nothing in there unless I'm actually launching the minecraft. But when I'm launching the minecraft I see the tmpLauncher.tmp but I can't delete it or move it because it'll say "The action can't be completed because the file is open in Minecraft launcher." I got the "Problem moving C:/Program Files (x86)/Minecraft/tmp/tmpLauncher.tmp to MinecraftLauncher.exe with error code 5" message the other week but it fixed and now it came back. Idk what to do.