- Thanks to ff7legend for this handy reference on how to keep Skyrim SE from updating.
- ff7legend
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1. Navigate to Steam\steamapps folder & find the appmanifest_489830.acf file. This is Skyrim SE's/AE's manifest file.
2. Right-click appmanifest_489830.acf & select Open with the text editor of one's choice (Notepad, etc) or Edit with Notepad++ if
Notepad++ is installed.
3. Open a new tab in one's web browser & navigate to https://steamdb.info/app/489830/depots/?branch=public.
4. Look for the InstalledDepots line & directly underneath said line, there will be 3 sets of numbers (489831, 489832, & 489833).
5. Directly below these sets of numbers, there will be a "manifest" line followed by a series of numbers. These are the Manifest I.Ds
which Steam uses to determine whether an update to the game is required
& deploy said update onto one's system.
6. Using the info provided at https://steamdb.info/app/489830/depots/?branch=public, Copy/Paste the updated Manifest IDs into the appropriate line.
7. Once the updated Manifest IDs are copied/pasted into the appropriate lines, click File followed by Save.
8. Right-click the appmanifest_489830.acf file once more & select Properties.
9. Check the box next to Read Only & select Apply when finished.
10. (Optional) For an additional layer of protection, set Steam to Offline Mode after performing the above steps.
If all the above steps are done properly, the Skyrim AE "update" will be forever blocked from being deployed onto one's system. It should be noted that whenever Bethesda deploys a new update for Skyrim
AE, this process will need to be repeated in order to keep Bethesda's
GREEDY PAWS off one's modded game setup.
This same information is also found here: https://forums.nexusmods.com/topic/11022483-how-to-permanently-block-ae-from-ever-deploying-onto-ones-system/