Found this on this forum and it worked on my XP Home:
"This is actually a fix to a bug installed as default in Windows 2000/XP that
scans shared files for Scheduled Tasks. And it turns out that you can
experience a delay as long as 30 seconds when you try to view shared
files across a network because Windows 2000 is using the extra time
to search the remote computer for any Scheduled Tasks. Note that though
the fix is originally intended for only those affected, Windows 2000 users
will experience that the actual browsing speed of both the Internet & Windows
Explorers improve significantly after applying it since it doesn't search
for Scheduled Tasks anymore. Here's how :
Open up the Registry and go to :
HKEY_LOCAL_MACHINE/Software/Microsoft/Windows/CurrentVersion/Explorer/RemoteComputer/NameSpace
Under that branch, select the key :
{D6277990-4C6A-11CF-8D87-00AA0060F5BF}
and delete it.
This is key that instructs Windows to search for Scheduled Tasks. If you like you may want
to export the exact branch so that you can restore the key if necessary.
This fix is so effective that it doesn't require a reboot and you can almost immediately
determine yourself how much it speeds up your browsing processes." HTH
TC