Urgent help! About how to install PPStream on Fedora

Urgent help! For details about how to install PPStream on Fedora-general Linux technology-Linux technology and application, refer to the following. In the evening, the deb package of PPStream is converted into an rpm package for installation. When the root user runs the PPStream program on the terminal, everything works normally and you can watch movies online. However, if a command is executed as a common user, the program can run but cannot be viewed online. The following is the situation in the terminal:

CODE: [color = Red] [wenming @ localhost ~] $ PPStream Sh: gksudo: command not found Cannot connect to the server: insufficient Permissions Java version "1.6.0 _ 18" OpenJDK Runtime Environment (IcedTea6 1.8.2) (fedora-41.1.8.2.fc12-i386) OpenJDK Server VM (build 14.0-f8, mixed mode) * ** NSPlugin Wrapper ** ERROR: failed to initialize brower-side RPC events listener * ** NSPlugin Wrapper *** WARNING :( ../src/npw-wrapper.c: 3160): invoke_NP_Initialize: assertion failed: (rpc_method_invoke_possible (g_rpc_connection )) **( : 13087): DEBUG: NP_Initialize **( : 13087): DEBUG: NP_Initialize succeeded **( : 13087): DEBUG: NP_Initialize **( : 13087): DEBUG: NP_Initialize succeeded **( : 13087): DEBUG: NP_Initialize **( : 13087): DEBUG: NP_Initialize succeeded * ** NSPlugin Wrapper ** ERROR: failed to initialize brower-side RPC events listener **( : 13087): DEBUG: NP_Initialize [/color] **( : 13087): DEBUG: NP_Initialize succeeded