My connection speed is slowing down from downloading at 124kb/s to half of its value or even less; sometimes to 16kb/s. Not always but very often. Dont have any other programs connected in background; i think! Here is my hijack Logfile of HijackThis v1.99.0
Scan saved at 0:16:24, on 18.1.2005
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Programi orodja\Sygate\Smc.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\SOUNDMAN.EXE
C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
C:\Program Files\Programi orodja\Kaspersky\Kaspersky Anti-Virus Personal\avpcc.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Programi orodja\Kaspersky\Kaspersky Anti-Virus Personal\avpcc.exe
C:\Program Files\Programi orodja\Kaspersky\Kaspersky Anti-Virus Personal\avpm.exe
C:\WINDOWS\system32\wscntfy.exe
C:\Program Files\Programi orodja\HijackThis\HijackThis\hijackthis\HijackThis .exe

R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = http://windowsupdate.microsoft.com/
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Programi orodja\Adobe Reader\Reader\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\Program Files\Programi orodja\Spybot S&D\Spybot - Search & Destroy\SDHelper.dll
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [SmcService] C:\PROGRA~1\PROGRA~1\Sygate\smc.exe -startgui
O4 - HKLM\..\Run: [NeroCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [ATIPTA] C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
O4 - HKLM\..\Run: [DAEMON Tools-1033] "C:\Program Files\Programi orodja\Daemon tools\daemon.exe" -lang 1033
O4 - HKLM\..\Run: [AVPCC] "C:\Program Files\Programi orodja\Kaspersky\Kaspersky Anti-Virus Personal\avpcc.exe" /wait
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://v5.windowsupdate.microsoft.co...?1105188587562
O17 - HKLM\System\CCS\Services\Tcpip\..\{239BCAB3-7152-4447-9271-5B26139B254B}: NameServer = 193.189.160.11 193.189.160.12
O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - C:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: ATI Smart - Unknown - C:\WINDOWS\system32\ati2sgag.exe
O23 - Service: AVP Control Centre Service - Kaspersky Labs. - C:\Program Files\Programi orodja\Kaspersky\Kaspersky Anti-Virus Personal\avpcc.exe
O23 - Service: KAV Monitor Service - Kaspersky Labs. - C:\Program Files\Programi orodja\Kaspersky\Kaspersky Anti-Virus Personal\avpm.exe
O23 - Service: Sygate Personal Firewall Pro - Sygate Technologies, Inc. - C:\Program Files\Programi orodja\Sygate\Smc.exe

Help me PLEASE!!

Your log looks clean to me but let Owen take a look at it. Please follow all of Owen's instructions HERE once you have completed that post your log on the Spyware, Adware and Viruses board

try netscape 7.2 or any latest advanced speed of internet