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Situation:
You need to use Symmetric or Public-Key encryption with pcAnywhere. However, when you try to connect the remote to the host, you see the following error message: "Crypto API not loaded." The session is then ended.

Solution:
This message comes from the Microsoft Symmetric encryption and indicates that the Microsoft Crypto API (Symmetric) is not functioning correctly. Consequently, pcAnywhere cannot make a Symmetric or Public-Key connection with this computer.

To remove and re-add the level of encryption:

1. In pcAnywhere, right-click the Remote Control item, and then click Properties.
2. Click the Security Options tab.
3. Remove any encryption that is configured here, and then click OK.
4. Exit and relaunch pcAnywhere.
5. Right-click the Remote Control item, and then click Properties.
6. Click the Security Options tab.
7. Reconfigure the encryption level.
8. Click OK.
9. Repeat these steps for the host as well.

If the problem continues, ensure that the latest updates for your version of Internet Explorer (IE) has been applied.

To apply the latest updates for IE:

1. Connect to the Internet.
2. Open Internet Explorer.
3. Click Tools > Windows Update.
4. Follow the instructions on your screen.

If you encounter this error on a Windows 9x computer, there are two likely possibilities:

• You have not logged in to Windows or you have logged in to Windows but not to the installed network. If either of these situations is true, the Crypto API is not available.
• Internet Explorer 4.0 or later is not installed or has been uninstalled from the computer (Internet Explorer installs the Crypto API).

If you encounter this error on a Windows NT 4.0 computer, you may need to reinstall the current service pack. The Crypto API is part of the NT operating system.

Document ID: 1999031015473012
Last Modified: 05/25/2006
Date Created: 03/10/1999
Operating System(s): Windows 95, Windows 98, Windows 98SE, Windows NT 4.0, Windows 2000, Windows Me, Windows XP
Product(s): pcAnywhere 10.0, pcAnywhere 10.5, pcAnywhere 9.0

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