Unable to open project

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MVC5

Hi,
I have installed visual studio professional 2015 in my company pc, whenever I try to open visual studio 2015 project, its showing below error message.

Setup Error:
Repair/Modify operation did not finish successfully. Please repair visual studio before continuing. You may continue to run VS, but the operation may not be reliable.

Continue running Visual Studio?

yes No

i have repaired 2 times my vs 2015 but still getting same error.

And if i click on yes button I am getting below error

One or more projects in the solution were not loaded correctly.
Please see the output window for details.

Ok

After clicking on Ok button, getting below error in popup window.

The 'javaScriptWebExtensionsPackage' package did not load correctly.

The problem may have been caused by a configuration change or by the installation of another extension. You can get more information by examining the file C:\Users\Ali\AppData\Roaming\Microsoft\VisualStudio\14.0\ActivityLog.xml.

Restarting Visual Studio could help resolve this issue.

Continue to show this error message?

[Yes] [No]

And also restarted my pc but it's not working.

Please help me on this.

Thank you in advance.
Ali

What I have tried:

Tried:

Tools -> Extensions and Updates

clicking on Extensions and Updates, I am getting below error
Error: object reference not set to an instance of an object.

Please help me.