Do you receive any error messages when you try to install? Have you tried running the Adobe Support Advisor - http://www.adobe.com/support/loganalyzer/ to see if it identify what is causing your difficulties?
I update to Windows 7 SP1 and run the installation download from adobe download assistant, but still get stuck on installing adobe help and adobe dreamweaver widget browser.
After that, I think maybe my file has some error during the download process, so I re-download from direct link in this article:
In first installation, with anti-virus and firewall closed, I still get stuck on adobe help : (
So I try to install under windows safe mode (without internet connection and commend window), this work !
Although I got a DW050 error, but I think that is because I interrupt the install process earlier.
I'll try to install all software in the master collection suite tomorrow. (I just install acrobat, PS, AI, indesign, flash, DW and fireworks, in oder to make the process quickly)
And I have another question,
I saw some software have 32 and 64 bit in the installation file in the direct link I provided.
Do I have to install both version or just install my windows version (64 bit only) ?
For now, I only install 64bit, and it works find.
I would recommend installing both the 32-bit and 64-bit version of the software. For more information regarding the benefits of having both versions please review 64-bit OS benefits, limitations | Photoshop CS4, CS5, CS6 - http://helpx.adobe.com/photoshop/kb/64-bit-os-benefits-limitations.html.