Software Title: Repair Winsock & DNS Cache
Download Link: http://www.tweaking.com/content/page/repair_winsock_dns_cache.html
Contact Them: http://www.tweaking.com/forums/
License: Freeware Tools, Not sure if they will be in the future so grab them now!
Windows Repair is an all-in-one repair tool to help fix a large majority of known Windows problems including registry errors and file permissions as well as issues with Internet Explorer, Windows Update, Windows Firewall and more. Malware and installed programs can modify your default settings. With Tweaking.com – Windows Repair you can restore Windows original settings.
Repair Winsock & DNS Cache:
This will clear the stored DNS cache in Windows. When the DNS becomes corrupt you will not be able to get to some sites. Flushing and rebuilding the DNS will fix that problem. Also resets Winsock entries & resets TCP/IP stack.