.sys open with &
 

i messed up...i was creating a log.sys file & i opened it in paint...
however, i had the
always use this program to open this type of file checked by accident & now
all my .sys files open in paint...so, log.sys file doesn't work...how do i
restore the default windows setting for opening files....i also would like to
know how do u close programs that are running in the background but show up
on system information running task...(not all of those running show when u
click ctrl+alt+delete)...thanks