HOW TO FIX CANNOT ACCESS PRIVATE KEY OR USER PROFILE
The SSL (Secure Sockets Layer) is an essential technique for security, which establishes one encrypted link (to avoid the third party) between the client and server. If you forget your credentials to pass through, then you may have to manipulate the SSL, which is not an easy task. You have to be careful because any errors here can generate numerous additional errors.
One of the many issues generates when users try to import the Private Key of SSL's (Secure Sockets Layer) certificate file in your local PC's Certificate Store. There are many user reports which stated that they got the error message stating about it and either the profile and the private key are not accessible due to the absence of the Cryptographic Service Provider in the PC.
Here, you will get the information regarding the modification of the registry. So before doing that, make sure you have made the proper backup of that directory. There are some tricks that can resolve the issue; those are listed one-by-one here.