To update a root certificate of Moscow Exchange:

1. Download the update file (UpdateRSA-2015.pse) from the Moscow Exchange website on your computer to any folder.
2. Close all applications that use RSA certificates;
3. Run Certificate store using a key carrier (the Start menu→All Programs→MOEX EDI CryptoPS – Certificate store);
4. Select Certificate store→Update object;
5. In the opened window specify the folder where the UpdateRSA-2015.pse file is located, and click the OK button;

6. Backup stores by selecting Service → Backup stores.

If you have several profiles in Certificate store, you need update a root certificate of Moscow Exchange for each profile.