Error compiling for board Arduino/Genuino Mega or Mega 2560

Hello, since i'had tryied to upload a sketch on an arduino uno + ramps 1.4, i' can't compile anymore for my mks gen 1.4... I've tryied to reinstall old versions of arduino but i've just got other messages errors... did anyone know this kind of error? by adavnce, thanks

"Arduino: 1.8.0 (Windows 10), Board: "Arduino/Genuino Mega or Mega 2560, ATmega2560 (Mega 2560)"

c:\program files (x86)\arduino\hardware\tools\avr\bin\../lib/gcc/avr/4.9.2/../../../../avr/bin/ar.exe: unable to rename 'C:\Users\manue\AppData\Local\Temp\arduino_build_117701\core\core.a'; reason: Permission denied

exit status 1
Error compiling for board Arduino/Genuino Mega or Mega 2560.

I have been having the same issue, have there been any replies or insight. Thank You

@davidhutto, are you a defective spambot?