i'm sure that solve the issue

unblock help file

If you are having trouble viewing a help file from the website, Windows may be trying to protect you.

Best regards,

Michal

Hello,

If there is a problem in documentation during the installation, you can installed the help CAB using the VS help management tools.
To add the documeantation manually, please follow this step :

1. Please open Management help setting in help menu bar or press ctrl+alt+f1 for shortcut. 
2. Then select Choose online or local help. Ensure that you choose I want to use local help.
3. Next, in Help Library Manager, select Install content from disk.
4. Navigate the location of help media to:
   C:\Program Files\Intersoft Solutions\Intersoft WebUI Studio 2011 R1\Help3\
5. Choose the .msha file of control which you want to open. 
6. Click add to control which you chose before. 
7. Click update button to confirm the added. If the process interupted by a security alert, choose yes.

If there is no add in action column (step #6) which want to click, please remove content first using this step :

1. In Help Library Manager, select Remove Content.
2. Click Remove on Intersoft component documentation which you want to add.
3. Then, Click on Remove button.
4. After that, you can add the documentation manually.

Hope this helps.
Riendy

Thanks Riendy,  I was able to browse local help using your resolution steps.