Why wont Apple iTunes install correctly

Running Window 7 With SP1 +all latest updates (100+)

Got notice that Apple wanted to update iTunes to 12.1.1 plus Quicktime7 +

I said OK for iTunes install. then iTunes seemed to install OK.  Then I got error message about Assembly Microsoft.VC80.CRT with code HRESULT 0x80070BC9.

I uninstalled iTunes (with Windows 7 Uninstaller)  then reinstalled iTunes  Same error.

Saw Forum message to said to try reregistering vbscript,  Tried same result

Any help would be appreciated.
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JohnBusiness Consultant (Owner)Commented:
Try the following routine to uninstall and then reinstall iTunes.

Control Panel > Programs and Features:

Uninstall the following in order as shown:

Quick Time
Apple Software Update
Apple Mobile Device Support
Apple Application Support

Restart the computer.

Remove the folder:

C:\Users\jdhurst\AppData\Roaming\Apple Computer\iTunes

Now download the latest version of iTunes from Apple install the latest version of iTunes

I have iTunes that updated and installed fine on Windows 7 and Windows 8.1
bob8627Author Commented:
I followed your instructions.
BUT I had  no iTunes or Quicktime listed in uninstaller and Apple mobil devices support would not go away

But I did what I could  and iTunes 12/1/1/4 did install and is now operational

Thank you for you help
bob8627Author Commented:
I've requested that this question be closed as follows:

Accepted answer: 0 points for bob8627's comment #a40695320

for the following reason:

I want to  accept responders solution
JohnBusiness Consultant (Owner)Commented:
@bob8627  - Thanks for the update and I was happy to help.
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