MiniCore - Error compiling for board Atmega328

Hi,
I am using MiniCore to modify the fuse settings and clock speed on a 328P MCU. I installed miniCore as per the instructions on github. The process of burning the bootloader using miniCore was fine and completed with no errors. However, when I try to upload the blink sketch to the 328P I get an error compiling the board. The error message states that "Access is denied". I have ensured that I am running the Arduino IDE 1.8.13 as administrator but still get the same error . Any suggestions would be much appreciated. I have provided a copy of the full error message below.

Regards,
Luke

C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.42.0_x86__mdqgnx93n4wtt\arduino-builder -dump-prefs -logger=machine -hardware C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.42.0_x86__mdqgnx93n4wtt\hardware -hardware C:\Users\lukem\Dropbox\My PC (DESKTOP-T0PM7IN)\Documents\ArduinoData\packages -tools C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.42.0_x86__mdqgnx93n4wtt\tools-builder -tools C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.42.0_x86__mdqgnx93n4wtt\hardware\tools\avr -tools C:\Users\lukem\Dropbox\My PC (DESKTOP-T0PM7IN)\Documents\ArduinoData\packages -built-in-libraries C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.42.0_x86__mdqgnx93n4wtt\libraries -libraries C:\Users\lukem\Dropbox\My PC (DESKTOP-T0PM7IN)\Documents\Arduino\libraries -fqbn=MiniCore:avr:328:bootloader=uart0,eeprom=keep,variant=modelP,BOD=2v7,LTO=Os,clock=16MHz_external -vid-pid=0403_6001 -ide-version=10813 -build-path C:\Users\lukem\AppData\Local\Temp\arduino_build_560370 -warnings=none -build-cache C:\Users\lukem\AppData\Local\Temp\arduino_cache_486943 -prefs=build.warn_data_percentage=75 -verbose C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.42.0_x86__mdqgnx93n4wtt\examples\01.Basics\BareMinimum\BareMinimum.ino
C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.42.0_x86__mdqgnx93n4wtt\arduino-builder -compile -logger=machine -hardware C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.42.0_x86__mdqgnx93n4wtt\hardware -hardware C:\Users\lukem\Dropbox\My PC (DESKTOP-T0PM7IN)\Documents\ArduinoData\packages -tools C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.42.0_x86__mdqgnx93n4wtt\tools-builder -tools C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.42.0_x86__mdqgnx93n4wtt\hardware\tools\avr -tools C:\Users\lukem\Dropbox\My PC (DESKTOP-T0PM7IN)\Documents\ArduinoData\packages -built-in-libraries C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.42.0_x86__mdqgnx93n4wtt\libraries -libraries C:\Users\lukem\Dropbox\My PC (DESKTOP-T0PM7IN)\Documents\Arduino\libraries -fqbn=MiniCore:avr:328:bootloader=uart0,eeprom=keep,variant=modelP,BOD=2v7,LTO=Os,clock=16MHz_external -vid-pid=0403_6001 -ide-version=10813 -build-path C:\Users\lukem\AppData\Local\Temp\arduino_build_560370 -warnings=none -build-cache C:\Users\lukem\AppData\Local\Temp\arduino_cache_486943 -prefs=build.warn_data_percentage=75 -verbose C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.42.0_x86__mdqgnx93n4wtt\examples\01.Basics\BareMinimum\BareMinimum.ino
Using board '328' from platform in folder: C:\Users\lukem\Dropbox\My PC (DESKTOP-T0PM7IN)\Documents\ArduinoData\packages\MiniCore\hardware\avr\2.0.9
Using core 'MCUdude_corefiles' from platform in folder: C:\Users\lukem\Dropbox\My PC (DESKTOP-T0PM7IN)\Documents\ArduinoData\packages\MiniCore\hardware\avr\2.0.9
Detecting libraries used...
"C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.42.0_x86__mdqgnx93n4wtt\hardware\tools\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10813 -DARDUINO_AVR_ATmega328 -DARDUINO_ARCH_AVR "-IC:\Users\lukem\Dropbox\My PC (DESKTOP-T0PM7IN)\Documents\ArduinoData\packages\MiniCore\hardware\avr\2.0.9\cores\MCUdude_corefiles" "-IC:\Users\lukem\Dropbox\My PC (DESKTOP-T0PM7IN)\Documents\ArduinoData\packages\MiniCore\hardware\avr\2.0.9\variants\standard" "C:\Users\lukem\AppData\Local\Temp\arduino_build_560370\sketch\BareMinimum.ino.cpp" -o nul -DARDUINO_LIB_DISCOVERY_PHASE
Generating function prototypes...
"C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.42.0_x86__mdqgnx93n4wtt\hardware\tools\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10813 -DARDUINO_AVR_ATmega328 -DARDUINO_ARCH_AVR "-IC:\Users\lukem\Dropbox\My PC (DESKTOP-T0PM7IN)\Documents\ArduinoData\packages\MiniCore\hardware\avr\2.0.9\cores\MCUdude_corefiles" "-IC:\Users\lukem\Dropbox\My PC (DESKTOP-T0PM7IN)\Documents\ArduinoData\packages\MiniCore\hardware\avr\2.0.9\variants\standard" "C:\Users\lukem\AppData\Local\Temp\arduino_build_560370\sketch\BareMinimum.ino.cpp" -o "C:\Users\lukem\AppData\Local\Temp\arduino_build_560370\preproc\ctags_target_for_gcc_minus_e.cpp" -DARDUINO_LIB_DISCOVERY_PHASE
"C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.42.0_x86__mdqgnx93n4wtt\tools-builder\ctags\5.8-arduino11/ctags" -u --language-force=c++ -f - --c++-kinds=svpf --fields=KSTtzns --line-directives "C:\Users\lukem\AppData\Local\Temp\arduino_build_560370\preproc\ctags_target_for_gcc_minus_e.cpp"
Compiling sketch...
"C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.42.0_x86__mdqgnx93n4wtt\hardware\tools\avr/bin/avr-g++" -c -g -Os -w -std=gnu++11 -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -MMD -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10813 -DARDUINO_AVR_ATmega328 -DARDUINO_ARCH_AVR "-IC:\Users\lukem\Dropbox\My PC (DESKTOP-T0PM7IN)\Documents\ArduinoData\packages\MiniCore\hardware\avr\2.0.9\cores\MCUdude_corefiles" "-IC:\Users\lukem\Dropbox\My PC (DESKTOP-T0PM7IN)\Documents\ArduinoData\packages\MiniCore\hardware\avr\2.0.9\variants\standard" "C:\Users\lukem\AppData\Local\Temp\arduino_build_560370\sketch\BareMinimum.ino.cpp" -o "C:\Users\lukem\AppData\Local\Temp\arduino_build_560370\sketch\BareMinimum.ino.cpp.o"
Compiling libraries...
Compiling core...
Using precompiled core: C:\Users\lukem\AppData\Local\Temp\arduino_cache_486943\core\core_12d4d37f0da871328bcb9556dadd83d0.a
Linking everything together...
"C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.42.0_x86__mdqgnx93n4wtt\hardware\tools\avr/bin/avr-gcc" -w -Os -Wl,--gc-sections -mmcu=atmega328p -o "C:\Users\lukem\AppData\Local\Temp\arduino_build_560370/BareMinimum.ino.elf" "C:\Users\lukem\AppData\Local\Temp\arduino_build_560370\sketch\BareMinimum.ino.cpp.o" "C:\Users\lukem\AppData\Local\Temp\arduino_build_560370/..\arduino_cache_486943\core\core_12d4d37f0da871328bcb9556dadd83d0.a" "-LC:\Users\lukem\AppData\Local\Temp\arduino_build_560370" -lm
"C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.42.0_x86__mdqgnx93n4wtt\hardware\tools\avr/bin/avr-objcopy" -O ihex -j .eeprom --set-section-flags=.eeprom=alloc,load --no-change-warnings --change-section-lma .eeprom=0 "C:\Users\lukem\AppData\Local\Temp\arduino_build_560370/BareMinimum.ino.elf" "C:\Users\lukem\AppData\Local\Temp\arduino_build_560370/BareMinimum.ino.eep"
"C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.42.0_x86__mdqgnx93n4wtt\hardware\tools\avr/bin/avr-objcopy" -O ihex -R .eeprom "C:\Users\lukem\AppData\Local\Temp\arduino_build_560370/BareMinimum.ino.elf" "C:\Users\lukem\AppData\Local\Temp\arduino_build_560370/BareMinimum.ino.hex"
cmd /C "C:\Program Files\WindowsApps\ArduinoLLC.ArduinoIDE_1.8.42.0_x86__mdqgnx93n4wtt\hardware\tools\avr/bin/avr-objdump" --disassemble --source --line-numbers --demangle --section=.text "C:\Users\lukem\AppData\Local\Temp\arduino_build_560370/BareMinimum.ino.elf" > "C:\Users\lukem\AppData\Local\Temp\arduino_build_560370/BareMinimum.ino_atmega328p_16000000L.lst"
Access is denied.
exit status 1
Error compiling for board ATmega328.