i got it again today after device froze i ended up uninstalling(purging) speedpatch and used the uninstall script in post1 (clutching at straws) removed bash and re-installed bash again. then i looked through using file box and deleted everything speedpatch and deleted bash and bashrc from home/user (had backupmenu installed just in case) then i reinstalled speedpatch and rebooted twice. device wouldn't reboot first time so removed battery for about 10 seconds error has gone now. thought i'd sorted it before but after that freeze and reboot it started again.