You can add the word resolved to the post title. Using the edit function on the original post.
However as this is a long running thread the time allowed by PG for editing threads may have expired.
I guess the reason for this is as after a while there will be various cross links and entries in the search data bases that would fail in a search. Due to holes.

BIAB2021 UltraPlus,AsusN55S1Tbssd, W10/64,Akai EIEpro
Yamaha CVP405,SquireStrat, CoolsoftVMidSynth
Novatation Impulse61 Ctr kbd, Cwalk blab Kontakt