27. 9. 2006
Jakýsi návod v angličtině je zde, možná pomůže i vám ...
The issue seems to lie with the "unknown" signature that is coming up more commonly now. The "unknown" signature denotes a problem with detecting digital signatures.
Can you try these steps? You can also refer to this article for further information: http://support.microsoft.com/Default.aspx?kbid=813442
1. Click Start, and then click Run. 2. In the Open box, type cmd, and then click OK. 3. At the command prompt, type "regsvr32 softpub.dll", and then press ENTER. 4. Click OK when you receive the message that DllRegisterServer in Softpub.dll succeeded. 5. Repeat steps 1 through 4 for the following files: Wintrust.dll, Initpki.dll, Dssenh.dll, Rsaenh.dll, Gpkcsp.dll, Sccbase.dll, Slbcsp.dll, Mssip32.dll, and Cryptdlg.dll. 6. Type exit, and then press ENTER to quit Command Prompt.