Problem with Package Files

Hi

While downloading mods for The Sims 2, my computer froze for a second and I accidentally pressed consent in some window that popped up while the files were loading, now all my downloaded pakage files have the Opera GX icon and when I go to the file properties it shows me that I am trying to open them with using the opera GX tool. How can I fix this? I use Winrar to unpack the files and so far all pakage files had a white page icon and worked properly, now I'm afraid to launch both The Sims 2 and The Sims 4 because the same problem exists in the mods folder there.

 I'm begging you help me ;-;