Basically while I was away some malware infected my computer. My girlfriend was unable to enter gmail.com and there were various popups advertising 'Windows Security Suite'.
Using Malwarebytes I was able to get rid of the Malware and am 100% sure that my computer is not infected anymore - pop ups have disappeared etc etc. However I am still unable to enter gmail.com. Initially it was both google.com and gmail but now its only gmail. I can access anything on the net bar gmail. I ran a diagnostic log and it came up with the following -

Last diagnostic run time: 07/13/09 22:52:58 HTTP, HTTPS, FTP Diagnostic
HTTP, HTTPS, FTP connectivity

info HTTP: Successfully connected to www.microsoft.com.
info FTP (Passive): Successfully connected to ftp.microsoft.com.
info HTTPS: Successfully connected to www.microsoft.com.

DNS Client Diagnostic
DNS - Not a home user scenario

info Using Web Proxy: no
info Resolving name ok for (www.microsoft.com): yes
No DNS servers

DNS failure


Gateway Diagnostic
Gateway

info The following proxy configuration is being used by IE: Automatically Detect Settings:Enabled Automatic Configuration Script: Proxy Server: Proxy Bypass list:
info Could not get proxy settings via the Automatic Proxy Configuration mechanism
info This computer has the following default gateway entry(ies): 192.168.1.254
info This computer has the following IP address(es): 192.168.1.2
info The default gateway is in the same subnet as this computer
info The default gateway entry is a valid unicast address
info The default gateway address was resolved via ARP in 1 try(ies)
info The default gateway was reached via ICMP Ping in 1 try(ies)
warn Hostname www.microsoft.com could not be resolved (Error code 0x2afc). Could be either gateway or DNS issue
action Automated repair: Renew IP address
action Releasing the current IP address...
action Successfully released the current IP address
action Renewing the IP address...
action Successfully renewed the current IP address
info This computer has the following default gateway entry(ies): 192.168.1.254
info This computer has the following IP address(es): 192.168.1.2
info The default gateway is in the same subnet as this computer
info The default gateway entry is a valid unicast address
info The default gateway address was resolved via ARP in 1 try(ies)
info The default gateway was reached via ICMP Ping in 1 try(ies)
info TCP port 80 on host 207.46.19.190 was successfully reached
info The Internet host www.microsoft.com was successfully reached
info The default gateway is OK

IP Layer Diagnostic
Corrupted IP routing table

info The default route is valid
info The loopback route is valid
info The local host route is valid
info The local subnet route is valid
Invalid ARP cache entries

action The ARP cache has been flushed

IP Configuration Diagnostic
Invalid IP address

info Valid IP address detected: 192.168.1.2

Wireless Diagnostic
Wireless - Service disabled

Wireless - User SSID

Wireless - First time setup

Wireless - Radio off

Wireless - Out of range

Wireless - Hardware issue

Wireless - Novice user

Wireless - Ad-hoc network

Wireless - Less preferred

Wireless - 802.1x enabled

Wireless - Configuration mismatch

Wireless - Low SNR


WinSock Diagnostic
WinSock status

info IrDA protocol is not found in Winsock catalog.
info All base service provider entries are present in the Winsock catalog.
info The Winsock Service provider chains are valid.
info Provider entry MSAFD Tcpip [TCP/IP] passed the loopback communication test.
info Provider entry MSAFD Tcpip [UDP/IP] passed the loopback communication test.
info Provider entry RSVP UDP Service Provider passed the loopback communication test.
info Provider entry RSVP TCP Service Provider passed the loopback communication test.
info Connectivity is valid for all Winsock service providers.

Network Adapter Diagnostic
Network location detection

info Using home Internet connection
Network adapter identification

info Network connection: Name=Local Area Connection, Device=VIA Compatable Fast Ethernet Adapter, MediaType=LAN, SubMediaType=LAN
info Ethernet connection selected
Network adapter status

info Network connection status: Connected

HTTP, HTTPS, FTP Diagnostic
HTTP, HTTPS, FTP connectivity

warn FTP (Passive): Error 12007 connecting to ftp.microsoft.com: The server name or address could not be resolved
info FTP (Active): Successfully connected to ftp.microsoft.com.
warn HTTP: Error 12007 connecting to www.microsoft.com: The server name or address could not be resolved
warn HTTPS: Error 12007 connecting to www.passport.net: The server name or address could not be resolved
warn HTTPS: Error 12007 connecting to www.microsoft.com: The server name or address could not be resolved
warn HTTP: Error 12007 connecting to www.hotmail.com: The server name or address could not be resolved
error Could not make an HTTP connection.
error Could not make an HTTPS connection.

The last bit seems to be the problem but I dont have a clue how to fix it.
I have tried firefox but its the exact same problem in that I can access everything except for gmail.com.

Any help in fixing this would be greatly appreciated

Do you have an firewall installed? Or maybe your internet provider has blocked access to gmail !

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