Install vs2015 today, continue to install ReSharper, found to be more than 9.0 version to install the use.
Download the latest version of the 2016.1.2 version, the installation appears with the Crossappdomainpointer is NULL error.
Find ReSharper official Website solution: https://resharper-support.jetbrains.com/hc/en-us/articles/207243165-- The-crossappdomainpointer-is-null-or-error-stuffing-with-an-rt-group-icon-resource-named-101-access-is-denied-error
Can't solve the problem that can't be installed, and then start using brute force yourself.
Open:%allusersprofile%\microsoft\crypto\rsa\machinekeys
In the folder security key, the current login account (typically administrator) is set to read/write. This folder is a lot of face files, are some permissions files. Also cannot allow to set the permission, but does not have the tube, the whole CCCCCC, OK can.
Always press to do not play the window, and then reinstall, magic drops found can be installed properly.
If there is a classmate of the same problem, there is no other way, you can try my method.
Installation ReSharper 10.0.X appears as one of the Crossappdomainpointer is NULL error resolution