I have always had problems updating clam, today I downloaded the latest version of clam and when I try to update I get this:

ClamAV update process started at Wed Aug 10 20:55:49 2011
Downloading main-53.cdiff [100%]
Downloading main-53.cdiff [100%]
WARNING: [LibClamAV] cli_loadinfo: Incorrect digital signature
WARNING: [LibClamAV] cli_loadinfo: Problem parsing database at line 8
WARNING: [LibClamAV] Can't load main.info: Malformed database
WARNING: [LibClamAV] cli_tgzload: Can't load main.info
WARNING: [LibClamAV] Can't load C:\Documents and Settings\All Users\.clamwin\db\clamav-7e32124dac0caf2b20597eace50ad52d.00000d94.clamtmp\clamav-b5c7ab352804c6948dae3c08b0b083eb.00000d94.cla.cld: Malformed database
ERROR: Failed to load new database: Malformed database
ERROR: Failed to load new database: No viruses detected

This is more techical in nature than a suggestion or general question and probably belongs in one of the other sections of the ClamWin forum. However, it appears that your ClamWin signature database has become corrupted. This happens once-in-a-while. It can be cured by deleting all the files in your signature database (location is shown in the Configuration menu, File Locations tab). Then do a manual update, and ClamWin will rebuild all the files.

If you have not yet updated to ClamWin version .97.2, (just released), now would be a good time to do so after you delete the signature files.

Regards,