Thanks for the answers. Should I do step three in the deinstallation guide also? Or does the following fix it? sudo gainroot apt-get install --reinstall -y kernel kernel-flasher When i type step 3: flasher-3.5 -f --flash-only=kernel -R -F RX-51_2009SE_3.2010.02-8_PR_COMBINED_MR0_ARM.bin It says /bin/sh: flasher-3.5: not found