Apache 1.3.2 (Win32)
mSQL 2.0.1b for Win32

Error A
 * CGI-BIN contains
     - php.exe
     - php.exp
     - php.lib
     - msql1.dll
     - msql2.dll
  * Script line executed
     - "$result = msql("worldclubs","SELECT * FROM music_codes");" // <line 38>
  * Resultant Error
     - "Warning: -1 is not a mSQL link index in d:\program files\apache group\apache\htdocs\new_version\music_table.php3 on line 38"

Error B
  * CGI-BIN contains
     - <As Above>
     - mSQL.dll
  * Script line executed
     - <Unknown. I presume it is as above>
  * Resultant Error (in Win95 error box)
PHP caused an invalid page fault in module <unknown> at 0000:00b025c1.
Registers:
EAX=00000001 CS=0217 EIP=00b025c1 EFLGS=00010202
EBX=00000000 SS=021f ESP=006afda8 EBP=00000000
ECX=00000041 DS=021f ESI=00432577 FS=41e7
EDX=00c2003c ES=021f EDI=0047a420 GS=0000
Bytes at CS:EIP:
32 00 10 00 00 00 00 01 00 00 00 01 00 00 00 00 
Stack dump:
00432577 00000000 00000000 00000001 00425b8a 0047a420 0042e0d0 006af9a4 0042f7ac 00000000 815d80ec 815db3dc 006afe38 005a0000 00000000 00000001 
  * Resultant Error (in browser window after previous message)
     - Load of F:\PROGRAM FILES\APACHE GROUP\APACHE\CGI-BIN\msql.conf failed


The php3.ini file has all standard settings except for;
extension=msql2.dll
extension=msql1.dll  <- I've tried with and without this line

Hope this helps somewhat!