There has been some glitch with a mod which influences my Sneak skill. The penalty it applies is stuck. Is it possible to manually edit my savegame to remove this penalty?

Post your load list.

Is the mod and whatever drain effect it applied gone, or is the drain still in your active effects tab? If you've uninstalled the mod and the effect is gone but your skill has lost points, then you can easily add points back to your sneak skill in-game with the console.

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The culprit is, obviously, DD_ProximitySneakPenalty.

The mod is still active, its penalty is still visible on the Skills tab. If you think removing it and then adding the points back through the console is the best option, please, tell me what console command should I use.

Try using Stat Restore features of UOP first,

in our inventory you should have UOP key, select that, then should be a menu listed, one of the options listed is Stat Restore choose that should fix the problem hopefully.

Thank you I did not know that was there, I did not want to use the console to fix My speed stat.., somehow got stuck with a penality that is now -8 at one point i had a +100 on the speed stat.? Think it was from using my boat but not sure. Nothing has ever shown on my Magic stat page? Will give this a shot .

Thanks you so much! I was not aware of that feature, it did work!

Thanks for this tip corepc - I solved my age-old speed attribute deduction issue, and did not even know about this.

UOP is indeed fantastic!