Thanks for the answer,
i've reinstalled the latest java IDE, but it's still not working:
Linking everything together...
"C:\Users\Johan\Documents\ArduinoData\packages\arduino\tools\arm-none-eabi-gcc\7-2017q4/bin/arm-none-eabi-g++" "-LC:\Users\Johan\AppData\Local\Temp\arduino_build_180717" -Os -Wl,--gc-sections -save-temps "-TC:\Users\Johan\Documents\ArduinoData\packages\arduino\hardware\samd_beta\1.6.22\variants\mkrvidor/linker_scripts/gcc/flash_with_bootloader.ld" "-Wl,-Map,C:\Users\Johan\AppData\Local\Temp\arduino_build_180717/Blink.ino.map" --specs=nano.specs --specs=nosys.specs -mcpu=cortex-m0plus -mthumb -Wl,--cref -Wl,--check-sections -Wl,--gc-sections -Wl,--unresolved-symbols=report-all -Wl,--warn-common -Wl,--warn-section-align -o "C:\Users\Johan\AppData\Local\Temp\arduino_build_180717/Blink.ino.elf" "C:\Users\Johan\AppData\Local\Temp\arduino_build_180717\sketch\Blink.ino.cpp.o" "C:\Users\Johan\AppData\Local\Temp\arduino_build_180717\core\clockout.c.o" "C:\Users\Johan\AppData\Local\Temp\arduino_build_180717\core\variant.cpp.o" -Wl,--start-group "-LC:\Users\Johan\Documents\ArduinoData\packages\arduino\tools\CMSIS\4.5.0/CMSIS/Lib/GCC/" -larm_cortexM0l_math -lm "C:\Users\Johan\AppData\Local\Temp\arduino_build_180717/..\arduino_cache_359670\core\core_arduino_samd_beta_mkrvidor_5b8b6a452050d7fb4f142b0c9b159c84.a" -Wl,--end-group
"C:\Users\Johan\Documents\ArduinoData\packages\arduino\tools\arm-none-eabi-gcc\7-2017q4/bin/arm-none-eabi-objcopy" -O binary "C:\Users\Johan\AppData\Local\Temp\arduino_build_180717/Blink.ino.elf" "C:\Users\Johan\AppData\Local\Temp\arduino_build_180717/Blink.ino.bin"
"C:\Users\Johan\Documents\ArduinoData\packages\arduino\tools\arm-none-eabi-gcc\7-2017q4/bin/arm-none-eabi-objcopy" -O ihex -R .eeprom "C:\Users\Johan\AppData\Local\Temp\arduino_build_180717/Blink.ino.elf" "C:\Users\Johan\AppData\Local\Temp\arduino_build_180717/Blink.ino.hex"
Der Sketch verwendet 10740 Bytes (4%) des Programmspeicherplatzes. Das Maximum sind 262144 Bytes.
Erzwinge Reset durch öffnen/schließen mit 1200 bps auf dem Port COM7
PORTS {COM7, } / {COM7, } => {}
PORTS {COM7, } / {COM7, } => {}
PORTS {COM7, } / {COM7, } => {}
PORTS {COM7, } / {COM7, } => {}
PORTS {COM7, } / {COM7, } => {}
PORTS {COM7, } / {COM7, } => {}
PORTS {COM7, } / {COM7, } => {}
PORTS {COM7, } / {COM7, } => {}
PORTS {COM7, } / {COM7, } => {}
PORTS {COM7, } / {COM7, } => {}
PORTS {COM7, } / {COM7, } => {}
PORTS {COM7, } / {COM7, } => {}
PORTS {COM7, } / {COM7, } => {}
PORTS {COM7, } / {COM7, } => {}
PORTS {COM7, } / {COM7, } => {}
PORTS {COM7, } / {COM7, } => {}
PORTS {COM7, } / {COM7, } => {}
PORTS {COM7, } / {COM7, } => {}
PORTS {COM7, } / {COM7, } => {}
PORTS {COM7, } / {COM7, } => {}
Uploading using selected port: COM7
C:\Users\Johan\Documents\ArduinoData\packages\arduino\tools\bossac\1.7.0-arduino3/bossac.exe -i -d --port=COM7 -I -U true -i -e -w -v C:\Users\Johan\AppData\Local\Temp\arduino_build_180717/Blink.ino.bin -R
Beim Hochladen des Sketches ist ein Fehler aufgetreten
EDIT:
it also does not work with the latest version of the plugin, it may be a hardware problem.