For this very reason I keep a copy of 6.0.7J.
http://groups.google.com.au/group/comp.sys.mac.system/browse_thread/thread/edfe5ff7d8905f8c/a2fbf161f4d5f4a4?lnk=st&q=%22System+6%22+170&rnum=1&hl=en#a2fbf161f4d5f4a4
http://groups.google.com.au/group/comp.sys.mac.system/browse_thread/thread/edfe5ff7d8905f8c/a2fbf161f4d5f4a4?lnk=st&q=%22System+6%22+170&rnum=1&hl=en#a2fbf161f4d5f4a4