Repairing the Help and Support Center:
Start with DLL registration. Proceed to next method if one fails to resolve
the problem.
Type in Start, Run dialog:
helpctr -regserver
regsvr32 itss
regsvr32 hhctrl.ocx
regsvr32 jscript
Fix Windows XP Help - from Doug's site:
http://www.dougknox.com/xp/utils/fix_windows_xp_help.htm
In _nothing_ helps, try reinstalling HelpCenter:
Open %systemroot%\inf folder and locate the PCHealth.inf file (might show as
PCHealth in W.Explorer). Right-click the file and choose "Install". Insert
your XP CD when prompted. If you have a Service Pack installed, be sure to
point to the %Windir%\i386\ServicePackFiles folder, or your slipstreamed XP
CD (if available).
Comprehensive rebuild of Help Center: Posted by Rebecca Chen[MS]
Click Start, click Run and type CMD, and click OK.
In Command Prompt, type the following commands and press Enter after each
line: (Alternately, create a Batch file and run.)
net stop helpsvc
cd /d %windir%\pchealth\helpctr
rd packagestore /s /q
rd installedskus /s /q
cd binaries
start /w helpsvc /svchost netsvcs /regserver /install
start /w helpsvc /register
Note: The "start /w helpsvc /svchost netsvcs /regserver /install" command
line reinstalls Help and Support, which may take several minutes.
--
Regards,
Ramesh Srinivasan, Microsoft MVP [Windows XP Shell/User]
Windows® XP Troubleshooting
http://www.winhelponline.com
when i press start and click on the help & support question mark icon
nothing
happens... so i cant access rollback etc for my PC..hav i sumhow disabled
this function?..how do i get it back?........

any help please.... i need
to restart my pc to a past configeration