System

• What is cidaemon.exe? & What does it do task manager?
• What is SeaPort.exe? & What does it do task manager?
• What is dumprep 0 -k in start up?

I've windows xp sp3, HP cpu with intel pentium 4 And I've 2GB RAM,

1.  USB Gaurd
2. avastUI
3. HYservice
4. ctfmon
5. CCleaner,

in startup, but My PC startup is slow about 2 mins and on at shutdown also. when i start my PC it stops upto 2 mins (Displays all Softwares which are placed on desk-top(My Documents, My Computer, My Network places, Recycle Bin, GOM player & GOM Audio only)) But they do not work when i click on a software, even "My Computer" also it takes about 2 min. How can i solve this problem? (and GPRS connection is too low)