SQl server managment studio stopped working on Windows 10

I stupidly installed Windows 10 this morning on a laptop which has been running 8.1 for ages. I have been using Sql server management studio 2014 and visual studio 10 for some time on this laptop with no issues.
After installing windows 10 (stupid me!) I got a "missing msvcr100.dll" error running either application. I downloaded and copied the file into SysWow64, got a 2nd missing dll error and copied that in as well.
After that I just get "the application was unable to start correctly (0xc000007b). Click OK to close.
So now nothing works, SQL repair facility doesn't work either. Is there a work around or shall I just re-install everything?

Or go back to Windows 8.1!

Thanks!
alexkingAsked:
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Jim HornMicrosoft SQL Server Developer, Architect, and AuthorCommented:
Living dangerously installing Windows 10 so soon before testing any of your production apps...

Recommend going back to 8.1, or giving this person a new box and using the one you have to build an image for Windows 10, and eventually deploy.
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McKnifeCommented:
The rollback is easy, already tested it.
http://www.pcadvisor.co.uk/how-to/windows/how-downgrade-windows-10-to-windows-7-8-3615606/

About your error: Are you sure that dll is the same as before (on 8.1) and did you put it in the same folder as before?
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alexkingAuthor Commented:
I didn't check closely enough. Found the backed-up old windows folder and copied from that into the new SysWOW64 folder. The upgrade didn't even copy over the right files! Fixed and I am panicking less. That will teach me to be keen - at least it was not a vital PC!
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