Rslinx not opening

This is because of a windows update. See KB1071234.

There's also been a few other threads posted on this forum about this already so a quick search should sort you out rather than reviving an old thread.

Have a look at this technote:
https://rockwellautomation.custhelp.com/app/answers/detail/a_id/1071234/page/1

There is something with a Windows Update...

thanks..

thanks for the help..

finally my windows 10 update no. kb4056892 i uninstalled and resart the pc..and finally rslinx classic working okay..and find my devices perfectly..

thanks again..