sharepoint 2010 content source 403 forbidden

Error:
403 forbidden when click to content source

Reason:
The "Tasks" folder in the server does not have "Read" & "Write" access for the WSS_WPG account.

Solution:
You need to provide the Read & Write access permission to the "WSS_WPG" user in  "C:\Windows\Tasks" folder.

More

1. Open Command Prompt
2. Type the command attrib –s %windir%\tasks
3. Open the folder %windir%\Tasks in Windows Explorer
4. Inside the folder, right-click and select Security tab
5. Grant to the WSS_WPG and WSS_ADMIN_WPG the Full Control permission
6. Restart IIS using the command IISRESET \NOFORCE inside Command Prompt
7. Type the command attrib +s %windir%\tasks