The specified network password is not correct.

When login to MXSuite the following error message appear : [System.Security.Cryptography.CryptographicException]  The specified network password is not correct.
Solution
Go to folder C:\ProgramData\Microsoft\Crypto\RSA\
Right mouse click on the folder MachineKeys and choose Properties
Go to the tab Security and click Edit
Check if IIS_IUSRS has Full control permission
In case you don't see the user IIS_IUSRS, please follow the steps below: 
Click Add and search for user: IIS_IUSRS and click on OK
Give the user IIS_IUSRS Full control rights on the folder MachineKeys
Click OK and OK