I ran into the same issue early on, so I feel for you :( The uninstaller should definitely tell the player to beware losing your save games!
Here is an archive with all of my saves up to early Chapter 5.
Some from Garbage and onward may not load unless you install the extra mutant/NPC spawns mod from here:
I went with the 'Spawns mas variados y adicionales' option.
CelicetheGreat
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