Hi, someone can help me to delete an empty wallet?

Hi, almost 20 days ago, checking my wallet i discovered it empty.
Someone done one transaction of the entire of bitcoins amount to another address.
I immediately sent an email to:

walletfeedback-external@opera.com
security@opera.atlassian.net
ANDEX-101473@bugs.opera.com

but nobody reply.

Someone can help me?