Try this: Click Start | Run and type:
"regsvr32 /i C:\Windows\Srchasst\srchui.dll"
then
"regsvr32 /i urlmon"
Restart. If this did not help,
1. Log on to the computer by using an account with administrator permissions.
2. Click Start, click Run, type %systemroot%\inf, and then click OK.
3. Locate the Srchasst.inf file.
4. Right-click the Srchasst.inf file, and then click Install. This reinstalls the files that Search Companion uses.
NOTE: If you are prompted for the location of msgr3en.dll and your computer came with Windows XP preinstalled, it is likely to be at C:\Windows\i386. Type C:\Windows\i386 into the Copy Files From dialog and press OK.
--
Ramesh - Microsoft MVP
http://www.mvps.org/sramesh2k
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Virus attachment claims to contain software updates from Microsoft
http://www.mvps.org/sramesh2k/VirusAlert.htm
How to guard against CoolWebSearch spyware:
http://www.mvps.org/sramesh2k/Defend_CWS.htm
How to prevent Blaster Worm attack:
http://www.mvps.org/sramesh2k/Blaster_Defence.htm