Doesn't matter which asset i import all won't work ue4

when i import for example a content file that i bought full of assets. the blueprint`s doesnt work and the materials do not work (meshes that where in a blueprint also not equiped) please help!
things i tried

  • other pc works
  • other version doesnt help
  • reinstalling ue4 doesnt work

picture of how it looks for me when i import
picture how it looks for others