Hi everyone!
My first post is for trying to solve a problem, like everyone else, I guess
After DG DLC installation Skyrim crashed on every trial, just before the game selection. I found out that by de-selecting the "Dawnguard esm" file the game worked perfectly, so I assumed that it was an installation problem and removed the "Dawnguard esm". But now I can not re-install (from Steam) the DLC since I already own it. Well, taht will have to be solved by Steam people, but how can I solve the crashing issue? I have the 1.7 patch installed and only six mods installed (Faster vanilla horses, Berenzian stones, More dragons, Sabreteeth companion, alternate weightless gems and Dragon souls for perks). I tried every combination of mods and DLC but it didn't work.
Now, I have two problems: I can not reinstall the DLC and, even managing so, it will probably don't work
A good advice will be welcome.
Regards
P.S.: I have searched for a similar problem but I have found nothing, my apologizes if a similar post was present (if in case, a reference to the previous question would be welcome in addition to the "Had you, lazy dumb, better searched next time" )

P.P.S.: It is already solved. In another forum someone gave me the solution of checking the integrity of the cache. That solved the problem.