fault-tolerant
redeeming
clear
faultlessness
fail-safe
brittle
andon
unblemished
doom
faultless
incorrupted
impeccable
conk
immaculate
faultlessly
smoothness
faultable
interference
hitch
let lie
hinderance
hindrance
crush
preventative
incumbrance
preventive
impeccability
break down
encumbrance
invariant
suspend
Byzantine fault tolerance
unfix
faultfinding
keep up
criticize
preserve
preventative maintenance
defect
go phut
conserve
maintain
flaky
mismaintain
unfailing
high-maintenance
infallibility
fail-soft
foolproof
fault-free
nonfailure
unflawed
goof up
degrade gracefully
graceful degradation
firm error
rap
flawless
blame
obstacle
bluescreen
soundness
misfortune
postlapsarian
bad luck
keep one's nose clean
failproof
instability
lay an egg
compliancy
ignore all rules
nonviolation
undermaintain
inviolate
optimize out
error-prone
robust
Porlockian
hole
close the stable door after the horse has bolted
confession
faultfinder
fall down on
infallible
stave off
erring
downtime
gloss over
God works in mysterious ways
whitewash
sleek over
hush up
uncleared
to find a better fitting word. Finally, thanks to ChatGPT, the overall results have been greatly improved.