If you are using more than one biography panel please ensure that both are updated to 0.8.1 before updating server settings in biography.ini, to make sure there is no interference from the two versions. Perhaps you also need to update the "NAME" definitions as you didn't mention that.
I did update 2 panels and made sure the biography.ini stuck after a restart.
My biography.ini .81:
[AUTO-FETCH]
Biography [Allmusic] Auto-Fetch=1
Biography [Lastfm] Auto-Fetch=1
Album Review [Allmusic] Auto-Fetch=1
Album Review [Lastfm] Auto-Fetch=1
Image [Artist] Auto-Fetch=1
Image [Cover] Auto-Fetch=0
[NAMES]
%BIO_ALBUMARTIST%=$if3($meta(album artist,0),$meta(artist,0),$meta(composer,0),$meta(performer,0))
%BIO_ARTIST%=$if3($meta(artist,0),$meta(album artist,0),$meta(composer,0),$meta(performer,0))
%BIO_ALBUM%=$replace($meta(album,0),'(Live) ',)
[PATHS]
Album Review [Allmusic] Folder Location=S:\Jukebox Hero\foobar2000\wsh_lastfm\artists\%BIO_ARTIST%\Allmusic
Album Review [Lastfm] Folder Location=S:\Jukebox Hero\foobar2000\wsh_lastfm\artists\%BIO_ARTIST%\Lastfm
Biography [Allmusic] Folder Location=S:\Jukebox Hero\foobar2000\wsh_lastfm\artists\%BIO_ARTIST%\Allmusic
Biography [Lastfm] Folder Location=S:\Jukebox Hero\foobar2000\wsh_lastfm\artists\%BIO_ARTIST%\Lastfm
Image [Artist] Folder Location=S:\Jukebox Hero\foobar2000\wsh_lastfm\artists\%BIO_ARTIST%
Image [Cover] Folder Location=$directory_path(%path%)
Image [Cover] File Name=cover
[MISCELLANEOUS]
Album Name Auto-Clean=0
Album Review [Allmusic] Include Partial Matches=1
Album Review & Cover [Lastfm] Use Lastfm Autocorrect=1
Cache Expiry (days: minimum 28)=28
Image [Artist] Auto-Add New=1
Image [Artist] Fetch Number (maximum 20)=20
Image [Artist] Cycle Time (seconds)=15
Lastfm Server=www.last.fm
Lastfm Server Fallback To www.last.fm=0
Mouse Left Button Click: Map To Double-Click=0
Show More Tags=1
Various Artists=Various Artists
[ADVANCED]
Image [Cover] Check Custom Paths=0
Image [Cover] Custom Path 1=
Image [Cover] Custom Path 2=
Image [Cover] Custom Path 3=
Image [Cover] Custom Path 4=
Image [Cover] Custom Path 5=
.76:
[AUTO-FETCH]
Biography [Allmusic] Auto-Fetch=1
Biography [Lastfm] Auto-Fetch=1
Album Review [Allmusic] Auto-Fetch=1
Album Review [Lastfm] Auto-Fetch=1
Image [Artist] Auto-Fetch=1
Image [Cover] Auto-Fetch=0
[NAMES]
album artist name=$if3($meta(artist,0),$meta(album artist,0),$meta(composer,0),$meta(performer,0))
artist name=$if3($meta(artist,0),$meta(album artist,0),$meta(composer,0),$meta(performer,0))
album name=$replace($meta(album,0),'(Live) ',)
[PATHS]
Album Review [Allmusic] Folder Location=S:\Jukebox Hero\foobar2000\wsh_lastfm\artists\artist name\Allmusic
Album Review [Lastfm] Folder Location=S:\Jukebox Hero\foobar2000\wsh_lastfm\artists\artist name\Lastfm
Biography [Allmusic] Folder Location=S:\Jukebox Hero\foobar2000\wsh_lastfm\artists\artist name\Allmusic
Biography [Lastfm] Folder Location=S:\Jukebox Hero\foobar2000\wsh_lastfm\artists\artist name\Lastfm
Image [Artist] Folder Location=S:\Jukebox Hero\foobar2000\wsh_lastfm\artists\artist name
Image [Cover] Folder Location=$directory_path(%path%)
Image [Cover] File Name=cover
[MISCELLANEOUS]
Album Review [Allmusic] Include Partial Matches=1
Album Review & Cover [Lastfm] Use Lastfm Autocorrect=1
Cache Expiry (days: minimum 28)=28
Image [Artist] Auto-Add New=1
Image [Artist] Cycle Time (seconds)=15
Lastfm Server=www.last.fm
Lastfm Server Fallback To www.last.fm=0
Mouse Left Button Click: Map To Double-Click=0
Show More Tags=0
Various Artists=Various Artists
Album Name Auto-Clean=0
thanks for your help - you really go above and beyond with your support
btw, I rolled .ini and scripts back to .76 and it works fine (pulls existing reviews and no 404s)