ram preview won't stop

when i do ram preview the playback not stoping it just keep on playng It continues to play on loop. And the Spiceber doesn't help or esc.

 This happens in all recent versions of After effect

in the preview panal i select that i won't run loop but it didn't help

im on macpro

OSX 12.6

AMD Radeon Pro Vega II 32 GB

96 GB 2933 MHz DDR4

thank you