When I try to open the launcher it first downloads something and then says: "Problem moving C:/Program Files (x86)/Minecraft/tmp/tmplauncher.tmp to MinecraftLauncher.exe with error code 5". I have reinstalled Minecraft once and it worked once but when I restarted the computer the same error occurs. I want to play Minecraft.
MCL-5321
Problem moving C:/.../tmpLauncher.tmp to MinecraftLauncher.exe with error code 5
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I am having the same issue but to fix it for an 1 hour and so simple open your .minecraft folder and scroll down till you see usercache delete the file it should work again.