On updating the Endpoint Protection signature file, error 3373 occurs.
The protection reports that it has failed to apply the new signature file. The reasons may be different; the downloaded signature file is correct but the protection cannot apply it.
Launch the update in any of the following ways:
From the Update now option available through the bear icon in the taskbar.
From a DOS window, accessing the %ProgramFiles%\Panda Security\WaAgent\WasLpMng folder and running the command waplpmng walupd -force
Data needed to report the incident
If the issue is not solved, it is then necessary to collect a series of data from the computer. Please, read How to report problems from the Endpoint Protection console and follow the instructions indicated.