1. Remove the .cab files from the Packagestore folder, and then rebuild the original Help and Support Center:
a. Click Start, click Run, type "cmd" (without the quotation marks), and then click OK to open a command prompt. Type "net stop helpsvc" (without the quotation marks), and then press ENTER.
b. Type "cd /d windir\pchealth\helpctr" (without the quotation marks), where windir is the Windows folder, and then press ENTER.
c. Type "rd packagestore /s /q" (without the quotation marks), and then press ENTER.
d. Type "cd binaries" (without the quotation marks), and then press ENTER.
e. Type "start /w helpsvc /svchost netsvcs /regserver /install"
(without the quotation marks), and then press ENTER.
f. If any of the following processes are running, stop them:
helpsvc.exe
helphost.exe
helpctr.exe
To stop a process, right-click the taskbar, and then click Task Manager. Click the Processes tab, click the process you want to stop, and then click End Process.
g. At the command prompt, type "net start helpsvc" (without the quotation marks), and then press ENTER.