regarding ardunio error

Arduino: 1.8.13 (Windows 10), Board: "Arduino Uno"

c:program files (x86)arduinohardwaretoolsavrbin../lib/gcc/avr/7.3.0/../../../../avr/bin/ar.exe: unable to rename ‘corecore.a’; reason: Permission denied

exit status 1

Error compiling for board Arduino Uno.

continue error is coming having downloading over more than 15 times. How can i overcome this problem