Then I don’t know , this soliution was working for me and for my friend as well. In case it matters, i provide the registry all settings for icq lite … you can try to compare:
[HKEY_LOCAL_MACHINESOFTWAREMirabilisICQICQLite]
“SRPKey”=”No”
“NewInstall”=dword:00000000
“WantSkin”=dword:00000001
“SkinFile”=”icqstd.skn”
“UseModemFlg”=”No”
“ActiveNotInListOptions”=dword:00000001
“GreetingCardURL”=”http://www.icq.americangreetings.com/icqorder.pd?mode=send&design=%s&title=%s&recipient=%s&text=%s&sender=%s”
“SMSServiceActive”=dword:00000001
“NewICQPro”=dword:00000000
“ActiveInternetTime”=dword:00000000
“SkinsLinkVisible”=dword:00000000
“LiteInterOpActive”=dword:00000000
“FileName”=”D:\Programs\ICQLite\Skin\icqstd.skn”
“LiteBannersActive”=dword:00000000
“MagicNumberSite”=”ads.icq.com”
“LiteCLBannerActive”=dword:00000000
“BannersIdlTimeLimit”=dword:00000005

[HKEY_LOCAL_MACHINESOFTWAREMirabilisICQICQLiteUpgrade]
“BuildNumber”=dword:0000047f
“LastDate”=dword:000000cd

Koma

1. I am using only windows 2000 and windows 2003, in windows 2000 there is regedit and regedt32,but only with with regedt32 you can set permissions. In windows 2003 there is only regedit and it’s also allow to set permissions on registry key, so looks like windows xp same like windows 2003 ( or windows 2003 same like xp )
2. Nope, it’s not correct, in your case you have to do following:
you sellect the 3 registry keys what I mention above ( you can select 3 of them at once ) after you go ( here I am using w2003 ,but I guess should be same and with xp ) Permissions , Advanced… , after you have to uncheck the “Allow inheritable permissions from the parent to propogate to this …blablabla” , after its asking do you like to copy permissions from parrent, answer copy, and after you set like I set all to read only.