MFitz56

There are a few things that can cause this. Recently, the most common cause has been loading 64 bit (SE/AE) mods while playing the original 32 bit (LE) Skyrim or vice versa. So, check your mods (and other tools like SKSE) to make sure that they are all of one type. If that isn't it more information will be needed, not the least of which is a load order.

I know that much of this has already been mentioned. However, below is a link to a comprehensive guide to Skyrim LE stability. Use it or not but it's attested to by many (including me): https://www.loverslab.com/blogs/entry/7521-conglomerate-01-skyrim-le-essentials-installing-skyrim-stability-fixes-tools/

I am unsure of why you have that issue. Using the guide above I rarely have a problem. When I do it is almost always to something running in the background (typically a Windows update). So, I go hours and days without a freeze or crash. Perhaps the mods you use are inherently unstable?

As always with this sort of problem I suggest looking here: https://www.loverslab.com/blogs/entry/7521-conglomerate-01-skyrim-le-essentials-installing-skyrim-stability-fixes-tools/ While it is not short, it is comprehensive and you will end up with a game that works consistently no matter which mods you choose to add.

I tend to solve these sort of one-off with problems with the console. The correct command there is addperk. Here is a link to a handy overview of console commands: http://en.uesp.net/wiki/Skyrim:Console

Try adding More Nasty Critters. The base function of SexLab does not include the creature function (any more than it provides a "spell" for sex). You need something to give you the sex animations, i.e., More Nasty Critters. Here is the link: https://www.loverslab.com/files/file/4130-more-nasty-critters-slal-edition/ Make sure that you read the directions and get the other mods required to make this work.

Unless you do something to change them ("espify" them) esm files can not be edited. What you did in the CK simply wasn't saved by the game. To achieve what you want you need to make a new esp. Then, in your esp, change the default outfits. Make sure nothing in your load order also changes the outfits after your new esp loads.

There is no pattern? It doesn't happen in specific locations? When certain animals or NPCs are around? If there is no discernible pattern you might want to go to https://www.loverslab.com/blogs/entry/7521-conglomerate-01-skyrim-le-essentials-installing-skyrim-stability-fixes-tools/ and look at what the author says about making your game more stable (and less prone to this type of issue).

So, is what you're looking for something like the "fonts" that you can find throughout Apocrypha?

While I can't tell without the entire text from FNIS it appears that you might be T-posing because you have too many animations.

That would be the Creation Kit.

Consider looking at this: https://www.loverslab.com/blogs/entry/7521-conglomerate-01-installing-skyrim-stability-fixes-tools/

The Preloader is not a bad idea. I've used it safely and effectively for years. Most CTDs such as you describe come back to memory usage (not individual mods but the cumulative strain that mods place on the Papyrus engine and your machine). As such, I highly recommend that you look at, and follow this guide: https://www.loverslab.com/blogs/entry/7521-conglomerate-01-installing-skyrim-stability-fixes-tools/

Let me suggest you look at the link below for how to optimize your Skyrim LE game: https://www.loverslab.com/blogs/entry/7521-conglomerate-01-installing-skyrim-stability-fixes-tools/

Is this for LE or SE?