Basically Topic. It crashes with this message.

Assertion
Assert File: C:\_Skyrim\Code\TESV\TES Shared\misc\BGSLocalizedString.cpp Line:1566 LOCALIZATION: Error opening or reading strings file.

so I click ignore and it gives me a warning,

MASTERFILE: LOCALIZATION: Zero entries or empty block size read from strings file STRINGS/ Dawnguard_ENGLISH.STRINGS. Strings will be missing. then I click yes to all and...it crashes.

Can you guys help me please?