I would like to be able to stop smithing and alchemy from adding to my level, but I still want the skill in itself to level up. Preferably using tesvedit, I can't get uncapper to work
Not really what you're asking for, but the Character creation overhaul allows you to choose your "major" and "minor" skills, similar to older TES games.
What this means is that major skills are the most important for levelling, then come minor, then not chosen. This allows you to spec your character(s).
I suggest choosing as major and possibly minor some skills that you want to use but are hard to level, like Destruction if you play a mage. I also suggest not taking sneak, in all my games that skill skyrocketed, and having it as a Major or even Minor means getting a lot of levels,especially if you do the thieves' guild quest.
The mod specifies this, but you can select birthsign and Class even on an already started character.
I'll paste here from the mod's "Known Issues" section:
Using CCO on existing characters may initially decrease some skills below the required level for perks that you have already obtained. These perks are still usable, but if you wish to remove them you will have to use a perk removal mod such as Ishs Respec Mod. When using the Dynamic Skill Progression module, racial skill rate bonuses are applied based on vanilla Skyrim races' starting skills, not based on other mod's. For example, if mod X gives Imperials a +10 starting skill bonus to Speech, you will not also receive a skill rate bonus to Speech since Imperials do not normally get a starting skill bonus in vanilla Skyrim. If you have mods that alter birthsigns, CCO will use those changes, but CCO's birthsign descriptions may not be accurate. <
(using uncapper) How did you install uncapper? Did you use Nexus? You need to have SKSE installed in order to use uncapper. Have you installed that as well?
You need to modify the SKSE_Elys_Uncapper.ini file in your SKSE plug-ins folder. Mine is in E:\Games\Steam\SteamApps\common\skyrim\Data\SKSE\Plugins. I simply used Notepadd++ to edit the file.
This youtube video will help with the installation of SKSE, should you not have that installed.
This youtube video will help with the installation of uncapper.
That being said, using a "too low" number can indeed crash the game, so be weary with using 0 for fSmithing.