There may be many reasons of Google Chrome not responding on Windows XP. One reason may be the use of outdated version of browser. Another common reason for the crash is the incompatibility of Google Chrome with many of the software, to rectify this issue; you must disable the software or try getting an updated and latest version of it to see if this resolves the issue. Different software which have been identified so far being incompatible to Google Chrome are out-dated versions of iS3 anti-spyware (STOPzilla), NVIDIA Network Access Manager, NVIDIA nTune,NOD32 version 2.7, Hide My IP, Venturi Firewall, out-dated versions of WinMount and PPLive. There have been incompatibility issues causing crashes reported with NVIDIA Desktop Explorer caused by the nvshell.dll library. You can try to resolve this by removing nvshell.dll.
One more reason of Google Chrome not responding is the user profile of your browser being corrupted. You can fix this problem by creating a new user profile to replace the corrupt one by following the steps below.
Exit from Google Chrome
Go to the Start menu > Run.
Type in either of the following directories in the text field and press OK.
Windows XP: %USERPROFILE%\Local Settings\Application Data\Google\Chrome\User Data
Now rename the folder called "Default" in the directory window to "Backup default.