pZLib v3 (Final release)

[Alloc]

Hi! Can anybody help me? I use ISDone script and after i press Install button the installer wait about 6 seconds and only after this begin install
Maybe i doing something wrong... its happens only with pzlib

pZlib+rep:512mb:a99+srep:m5f:l128:a1+lzma2:d176m:f b=273:mf=bt4:mc=100000:lc=4:lp=0

arc.ini

[External compressorZlib]
header = 0
packcmd = pZlib e -m2 -t2 -c128m - -o - <stdin> <stdout>
unpackcmd = pZlib d -t2 - -o - <stdin> <stdout>

[External compressor:srep]
header = 0
packcmd = srep {options} $$arcdatafile$$.tmp $$arcpackedfile$$.tmp
unpackcmd = srep {options} -d -s - - <stdin> <stdout>

[External compressor:lzma2]
header = 0
packcmd = lzma2 a -txz -an -mcrc=0 -m1=lzma2{ption} -mmt=on -mx9 -si -so <stdin> <stdout>
unpackcmd = lzma2 x -txz -mmt=on -an -y -si -so <stdin> <stdout>