If i replace the files on my SD card for Retroarch will i lose my game saves??

 

ive just updated it on my galaxy note 9 and now nothing will run.

when i load core, then select game regardless of what system i get an error failed to open libertro core.

all was working fine prior to the update (tho before controller input was delayed, which used to work fine before the phone did an update)

im trying to grab it for windows but the site isnt loading, has anyone got a link please