Please use the following steps to reinstall the Help and Support Center:

Step I - End the Help and Support services

Click Start, click Run and type Taskmgr and click OK. This opens Task Manager. Click the Process tab. Stop all of the following processing if running:

helpsvc.exe
helphost.exe
helpctr.exe

Step II - Reinstall Help and Support

> 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.