我正在尝试在我的 Windows Azure 虚拟机上更新 ClamWin。Windows 已弹出您的 clamwin 已更新，当我单击更新时，它会给我错误，例如您的更新失败，检查 clamwin 扫描日志文件。
当我检查日志文件时，它给了我这样的错误，
ClamAV update process started at Tue Feb 21 06:14:34 2017
WARNING: Your ClamAV installation is OUTDATED!
WARNING: Local version: 0.99.1 Recommended version: 0.99.2
DON'T PANIC! Read http://www.clamav.net/documents/upgrading-clamav
main.cvd is up to date (version: 57, sigs: 4218790, f-level: 60, builder: amishhammer)
WARNING: Can't get information about database.clamav.net: Non-recoverable failure in name resolution
WARNING: getpatch: Can't download daily-21468.cdiff from database.clamav.net
WARNING: Can't get information about database.clamav.net: Non-recoverable failure in name resolution
WARNING: getpatch: Can't download daily-21468.cdiff from database.clamav.net
ERROR: Can't get information about database.clamav.net: Non-recoverable failure in name resolution
ERROR: getpatch: Can't download daily-21468.cdiff from database.clamav.net
WARNING: Incremental update failed, trying to download daily.cvd
ERROR: Can't get information about database.clamav.net: Non-recoverable failure in name resolution
ERROR: Can't download daily.cvd from database.clamav.net
Giving up on database.clamav.net...
Update failed. Your network may be down or none of the mirrors listed in c:\users\talent~1\appdata\local\temp\30\tmp9ry1gs is working.
我的网站是实时的，ClamWin 在我的 Windows azure 虚拟机上，我不能为此承担任何风险。
请指导我。