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A screenshot of the popup
Whenever I attempt to open Minecraft, I get the following error message: "Problem copying the file with the following error code: 2". Also, the name of the popup window is "Mojang native launcher updater". I can temporarily solve this problem by turning off my WiFi, opening Minecraft, and quickly turning my WiFi back on, but the next time I reopen Minecraft, the same thing happens all over again. When I searched for help online, I could only find it for error code 5. I have not been able to find a solution to this problem. I am running Minecraft on Windows 10, the launcher is version 1.6.11, and the version of Minecraft is 1.8.9. Also, I have installed (but am not using) forge.

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Right click, run as administrator. Fixed it for me, and further launches did not require admin rights.

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    Works like a charm! Am I right to assume that the update needed to modify files in a protected folder (most likely Minecraft's subfolder in either Program Files or Program Filesx86)? – Evan Bailey Mar 2 '16 at 2:05
  • That's what I also suspect, and the reason I tried it in the first place. – BoppreH Mar 2 '16 at 16:27
  • Running as administrator does not work. Do not try this. It proves ineffective as of October 27th, 2017. – derperz Oct 27 '17 at 23:56

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