Specific error

Done Adding Additional Store
SignTool Error: An unexpected internal error has occurred.
Error information: "Error: SignerSign() failed." (-2147012889/0x80072ee7)

Solution:

Use the correct timestamp URL:

REM Both are wrong
REM SET HTTP_TIMESTAMP=http://timestamp.wosign.com/rfc3161
REM SET HTTP_TIMESTAMP=http://timestamp.geotrust.com/tsal


REM Right
SET HTTP_TIMESTAMP=http://timestamp.digicert.com/scripts/timestamp.dll