How to flush DNS Cache in Windows Vista ?
This will fix corrupted DNS cache in Windows Vista. First, you need to start the “elevated” command prompt: Click the MS Vista Start button > All Programs > Accessories RIGHT-CLICK Command Prompt, select “Run As Administrator” In the command window type the following command and hit Enter: ipconfig /flushdns The following message indicates success: Windows IP Configuration Successfully flushed the DNS Resolver Cache. Notes: If you don’t do this in elevated command prompt (administrator priviledges), you will get an error: “The requested operation requires elevation.” The “ipconfig /flushdns” command works under Windows XP/2k3 as well.