MasterSword Problem

I played MasterSword before (a mod for half-life) and now I started playing again. Everything has been fine up until now and I don't know what to do. Here is the issue:

I was playing it and I noticed that the autosave text was not being displayed anymore, so I stopped the game and I realized that it had NOT been saving my progress. Then I tried restarting the computer and reloading my progress several times but the autosaving would not return. So I eventually replaced the save file with an earlier backup save, which did (temporarily) work. But after playing for about 15 minutes the autosave text stopped displaying again and I found out that my progress has been lost again.

Any ideas to solve this problem? I really want to play it more, but not if all of my progress keeps getting lost! Thanks for the help.

Man ... here I thought someone wanted to talk Zelda. (I have no idea what the issue is)

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Blame it on Microsoft, God does.

Yeah, the Zelda master sword makes this issue hard to search for on the internet too.

Add -zelda at the end of the search term and it will filter out all zelda stuff

Edit: I'm talking about Google

Yes I am bored.

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Youtube Channel: https://www.youtube.com/c/Nibgames

Add -zelda at the end of the search term and it will filter out all zelda stuff

Thanks, I'll remember that!

I'm still not sure what the issue is but I reloaded one of my backup saves again, and so far the saving is working fine. Before I was using a different weapon type and the saving stopped working both times. Not sure if it was a coincidence but once I stopped using it everything returned to normal.