When downloading minecraft launcher it will say: Problem moving C:/Program Files (x86)/Minecraft/tmp/tmpLauncher.tmp to MinecraftLauncher.exe with error code 5, and will never open.

We are unable to diagnose your issue due to the lack of proper debug information. Please review the guidelines before reporting issues.
In case of a game crash, please also attach the crash log from [minecraft/crash-reports/crash-<DATE>-client.txt|http://hopper.minecraft.net/help/guides/finding-minecraft-data-folder/].

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