Version 1.14d has a "memory guard" that sometimes conflicts with editors. If you edit a character who is currently logged into a game, you will corrupt the file. Always close Diablo 2 completely before editing.
Patch 1.14d changed the default save file directory, which often causes confusion for new users. How To Update Diablo 2 to Newest Version V.1.14D ~ EASY diablo 2 hero editor 1.14d
This tool is for offline single-player use only. Using any save editor on Diablo 2: Resurrected ’s online ladder or Battle.net will result in an immediate ban. Don’t be that person. Version 1
To ensure compatibility with modern operating systems (Windows 7/8/10/11) and the 1.14d patch, follow these specific steps from ModDB : Patch 1
With this tool, a player can act as a Dungeon Master of their own game. You can max out your stats, create items that do not exist in the game legitimately, change your character’s name, quest progress, and even the difficulty setting.
: The editor is compatible with 1.14d, though some users prefer using it alongside the for expanded stash features. Diablo 2: Resurrected (D2R) : While there is a web-based Hero Editor for D2R