Vlad, when installing your new patch 6.01 I see this message:

Successfully installed never ending journey v6.01...

Press ENTER to exit

Could not find c:\programme files\Black Isle\BG11-SoA|override\SPCL242.SPL.
Could not find c:\programme files\Black Isle\BG11-SoA|override\SPCL221.SPL.
OggDec1.0
Decoding "Intro5ogg" to "intro5 wav"
Then at this point screen closes

Am I missing something in my original installation? I have only just started a new game and just entered Easthaven.

My party consisits of self/Mage thief(Thought it would be different ), Imoen and Minsc.

I don't have Jaheira with me, sorry Vlad her new kit is great but I don't like her character. One observation this time round is that dialogue which should trigger between Imoen and PC. after Hrothgar leaves the inn didn't occur.
I know it was originally a Jaheira/PC dialogue but I am sure we made it an Imoen/PC dialogue if Jaheira was not in group?

Yes, it's okay. This patch just duplicates your previous patch. Those buggy spells have been already removed. Normally Imoen interjects without Jaheira, and I have also checked this several times but sometimes against all odds dialogues do not pop up.

Personally I cannot play without Jaheira's nymphs and fire elementals. I have dropped Minsc in my recent party, and now I really enjoy Accalia's talks.