I've looked at the log, but I really can't make anything out. Here is today's log, though it hasn't stalled today:
2008-02-11 20:19:59 IST - T[0xA05D2F60] - DirectoryService 5.0 (v514) starting up...
2008-02-11 20:20:04 IST - T[0xB0185000] - Plugin <Cache>, Version <1.0>, processed successfully.
2008-02-11 20:20:04 IST - T[0xB0185000] - Plugin <Configure>, Version <3.0>, processed successfully.
2008-02-11 20:20:05 IST - T[0xB0185000] - Plugin <Local>, Version <1.0>, processed successfully.
2008-02-11 20:20:05 IST - T[0xB0185000] - Plugin <LDAPv3>, Version <3.0>, processed successfully.
2008-02-11 20:20:05 IST - T[0xB0185000] - Plugin <Search>, Version <3.0>, processed successfully.
2008-02-11 20:20:05 IST - T[0xB0185000] - Plugin <BSD>, Version <2.0>, processed successfully.
2008-02-11 20:20:05 IST - T[0xB030B000] - Registered node /Configure
2008-02-11 20:20:05 IST - T[0xB030B000] - Plug-in Configure state is now active.
2008-02-11 20:20:05 IST - T[0xB040F000] - Plug-in LDAPv3 state is now active.
2008-02-11 20:20:05 IST - T[0xB0491000] - Registered node /Search
2008-02-11 20:20:05 IST - T[0xB0491000] - Registered node /Search/Contacts
2008-02-11 20:20:05 IST - T[0xB0513000] - Registered Locally Hosted Node /BSD/local
2008-02-11 20:20:05 IST - T[0xB038D000] - Registered Locally Hosted Node /Local/Default
2008-02-11 20:20:05 IST - T[0xB0491000] - Registered node /Search/Network
2008-02-11 20:20:05 IST - T[0xB0513000] - Registered node /BSD/local
2008-02-11 20:20:05 IST - T[0xB038D000] - Registered node /Local/Default
2008-02-11 20:20:05 IST - T[0xB0491000] - Plug-in Search state is now active.
2008-02-11 20:20:05 IST - T[0xB0513000] - Plug-in BSD state is now active.
2008-02-11 20:20:05 IST - T[0xB038D000] - Plug-in Local state is now active.
2008-02-11 20:20:10 IST - T[0xB0289000] - Registered node /Cache
2008-02-11 20:20:10 IST - T[0xB0289000] - Plug-in Cache state is now active.
2008-02-11 20:20:10 IST - T[0xB0185000] - Plugin "Active Directory", Version "1.6", is set to load lazily.
2008-02-11 20:20:10 IST - T[0xB0185000] - Plugin "PasswordServer", Version "4.0", is set to load lazily.
2008-02-11 20:20:26 IST - T[0xB0081000] - Network transition occurred.
2008-02-11 20:20:28 IST - T[0xB0081000] - Network transition occurred.
2008-02-11 20:20:29 IST - T[0xB0081000] - Network transition occurred.
2008-02-11 20:20:29 IST - T[0xB0081000] - Network transition occurred.
2008-02-11 21:52:11 IST - T[0xB0081000] - Network transition occurred.
2008-02-11 21:52:11 IST - T[0xB0081000] - Network transition occurred.
2008-02-11 21:52:11 IST - T[0xB0081000] - Network transition occurred.
2008-02-11 23:24:52 IST - T[0xA05D2F60] - Sleep Notification occurred.
2008-02-11 23:25:06 IST - T[0xA05D2F60] - Will Power On (Wake) Notification occurred.
2008-02-11 23:25:07 IST - T[0xA05D2F60] - Sleep Notification occurred.
2008-02-11 23:25:17 IST - T[0xA05D2F60] - Will Power On (Wake) Notification occurred.
2008-02-11 23:25:38 IST - T[0xA05D2F60] - Sleep Notification occurred.
2008-02-12 09:02:24 IST - T[0xA05D2F60] - Will Power On (Wake) Notification occurred.
2008-02-12 09:02:32 IST - T[0xB0081000] - Network transition occurred.
2008-02-12 09:02:34 IST - T[0xB0081000] - Network transition occurred.
2008-02-12 09:02:34 IST - T[0xB0081000] - Network transition occurred.
2008-02-12 09:02:37 IST - T[0xB0081000] - Network transition occurred.
I have upgraded from Tiger to Leopard, but everything else works fine. I did the erase and install option by backing up my data and then restoring it once Leopard was installed. I've had no other problems though.
Working at home all I use is my wireless router (using airport) to connect to the internet and occasionally I connect to the same router using an ethernet cable. I also sometimes access the other mac and PC which are connected to the same router to transfer files and stuff.
Thanks so much for helping!
Z