The tunnel filter is pending deletion.
Search the web for combinations of the different error codes and descriptions with the program
that failed. For example, if Chrome gave you this error, try searching for
ERROR_IPSEC_TUNNEL_FILTER_PENDING_DELETION chrome.exe, etc.
From Microsoft Error Lookup Tool . You can download it locally or use this webpage when you don't have access to a Windows machine or just don't want to use the command line.
Use FormatMessage to convert error codes to error strings.