The issue, in most cases, arises due to outdated certificates or corrupted settings in the registry. So, the first thing you may want to do is reset or recreate the user’s profile in the domain to check the result.
The Windows Cryptographic Service Provider reported an error
If you face Cryptographic Service Provider errors, here are a few things you may want to try:
1] Restart Cryptographic Service
Run services.msc and restart the Windows Cryptographic Service.
2] Check the Certificate
Open Internet Explorer > Tools > Internet Options. Select the Content Tab and click on Certificates. Check if there is a certificate for the program or the provider which is giving out errors. If it is missing, you will have to create a new one. If it is expired, remove it and create a new one. If a particular certificate does not work, choose a different certificate, and remove the old certificates.
3] Reinstall the Certificate
Reinstall the entire certificate store and the user’s certificates.
4] Check the SafeNet Authentication Client Tool
If you have the SafeNet Authentication Client Tool application installed on your system, open the app by navigating to its installation directory or by right-clicking the SafeNet icon in the system tray and selecting Tools from the menu. Click the ‘gear’ shaped icon to access the Advanced View section. Under the Advanced View section, expand Tokens and navigate to the certificate you want to use for signing. You can locate them under User certificates group. Next, right-click on your certificate and choose Set as CSP from the drop-down menu. Repeat the same step for all certificates that you’re using. Close SafeNet Authentication Client Tools and try signing the documents again.
5] Recreate Microsoft Cryptography’s Local Store folder
Navigate to the C:\ProgramData\Microsoft\Crypto\RSA folder. Rename the folder labeled S-1-5-18. Restart your system and see if it helps.
6] Uninstall ePass2003
If you have ePass2003 software installed, the cause for the problem could be the ePass2003 e-token. It is advisable to have it uninstalled in the first place and reinstall it. For this, go to the Settings section of the tool, navigate to Apps and features and uninstall it just like any other application. Restart your computer and install ePass2003 again. At the time of re-installation make sure that you select Microsoft CSP when choosing CSP option. Things should revert to normalcy and Windows cryptographic service provider error should no more appear. All the best! Related read: Windows Services will not start.
