Relative path for VFS (Virtual File System)

That actually tricked rpcs3 to start compiling shaders and start the game. But after that it searches for files in the wrong place (as junction does not really forward as far as path is concerned):

p, li { white-space: pre-wrap; }
U {PPU[0x1000002] Thread (ContentAccessPermissionsGet) [0x00a11038]} sys_prx TODO: _sys_prx_unload_module(id=0x23005b00, flags=0x0, pOpt=*0x0)
E {PPU[0x1000000] Thread (main_thread) [0x00af2090]} SYS: 'sys_fs_open' failed with 0x80010006 : CELL_ENOENT, “/dev_hdd0/game/NPUB30054/USRDIR//config.gm” [1]
E {PPU[0x1000000] Thread (main_thread) [0x00af2090]} SYS: 'sys_fs_open' failed with 0x80010006 : CELL_ENOENT, “/dev_hdd0/game/NPUB30054/USRDIR/dev_hdd0/game/NPUB30054/USRDIR/config.gm” [1]
E {PPU[0x1000000] Thread (main_thread) [0x00af2090]} SYS: 'sys_fs_open' failed with 0x80010006 : CELL_ENOENT, “/dev_hdd0/game/NPUB30054/USRDIR//config.gm” [2]
E {PPU[0x1000000] Thread (main_thread) [0x00af2090]} SYS: 'sys_fs_open' failed with 0x80010006 : CELL_ENOENT, “/dev_hdd0/game/NPUB30054/USRDIR/dev_hdd0/game/NPUB30054/USRDIR/config.gm” [2]
E {PPU[0x1000000] Thread (main_thread) [0x00af2090]} SYS: 'sys_fs_open' failed with 0x80010006 : CELL_ENOENT, “/dev_hdd0/game/NPUB30054/USRDIR//Language/English/common.tbl” [1]
E {PPU[0x1000000] Thread (main_thread) [0x00af2090]} SYS: 'sys_fs_open' failed with 0x80010006 : CELL_ENOENT, “/dev_hdd0/game/NPUB30054/USRDIR/dev_hdd0/game/NPUB30054/USRDIR/Language/English/common.tbl” [1]
E {PPU[0x1000000] Thread (main_thread) [0x00af2090]} SYS: 'sys_fs_open' failed with 0x80010006 : CELL_ENOENT, “/dev_hdd0/game/NPUB30054/USRDIR//Language/English/common.tbl” [2]
E {PPU[0x1000000] Thread (main_thread) [0x00af2090]} SYS: 'sys_fs_open' failed with 0x80010006 : CELL_ENOENT, “/dev_hdd0/game/NPUB30054/USRDIR/dev_hdd0/game/NPUB30054/USRDIR/Language/English/common.tbl” [2]
E {PPU[0x1000000] Thread (main_thread) [0x00af2090]} SYS: 'sys_fs_open' failed with 0x80010006 : CELL_ENOENT, “/dev_hdd0/game/NPUB30054/USRDIR//Language/English/common.tbl” [3]
E {PPU[0x1000000] Thread (main_thread) [0x00af2090]} SYS: 'sys_fs_open' failed with 0x80010006 : CELL_ENOENT, “/dev_hdd0/game/NPUB30054/USRDIR/dev_hdd0/game/NPUB30054/USRDIR/Language/English/common.tbl” [3]
U {PPU[0x1000000] Thread (main_thread) [0x00a0ff0c]} sys_prx TODO: _sys_prx_get_module_id_by_name(name=“cellLibprof”, flags=0, pOpt=*0x0)
E {PPU[0x1000000] Thread (main_thread) [0x00a0ff0c]} SYS: '_sys_prx_get_module_id_by_name' failed with 0x8001112e : CELL_PRX_ERROR_UNKNOWN_MODULE [1]
E {PPU[0x1000000] Thread (main_thread) [0x007e67b8]} SYS: 'cellPadClearBuf' failed with 0x80121107 : CELL_PAD_ERROR_NO_DEVICE [1]
E {PPU[0x1000000] Thread (main_thread) [0x007e67b8]} SYS: 'cellPadClearBuf' failed with 0x80121107 : CELL_PAD_ERROR_NO_DEVICE [2]
U {PPU[0x1000000] Thread (main_thread) [0x00a0ff0c]} sys_prx TODO: _sys_prx_get_module_id_by_name(name=“cellLibprof”, flags=0, pOpt=*0x0)
E {PPU[0x1000000] Thread (main_thread) [0x00a0ff0c]} SYS: '_sys_prx_get_module_id_by_name' failed with 0x8001112e : CELL_PRX_ERROR_UNKNOWN_MODULE [2]
E {PPU[0x1000000] Thread (main_thread) [0x00a054ec]} SYS: '_sys_lwmutex_lock' failed with 0x80010005 : CELL_ESRCH [2]
E {PPU[0x1000000] Thread (main_thread) [0x00a054ec]} SYS: '_sys_lwmutex_lock' failed with 0x80010005 : CELL_ESRCH [3]
E {PPU[0x1000000] Thread (main_thread) [0x00af2090]} SYS: 'sys_fs_open' failed with 0x80010006 : CELL_ENOENT, “/dev_hdd0/game/NPUB30054/USRDIR/textures0.ga” [1]
E {PPU[0x1000000] Thread (main_thread) [0x00af2090]} SYS: 'sys_fs_open' failed with 0x80010006 : CELL_ENOENT, “/dev_hdd0/game/NPUB30054/USRDIR/textures.ga” [1]
E {PPU[0x1000000] Thread (main_thread) [0x00af2090]} SYS: 'sys_fs_open' failed with 0x80010006 : CELL_ENOENT, “/dev_hdd0/game/NPUB30054/USRDIR/textures1.ga” [1]
E {PPU[0x1000000] Thread (main_thread) [0x00af2090]} SYS: 'sys_fs_open' failed with 0x80010006 : CELL_ENOENT, “/dev_hdd0/game/NPUB30054/USRDIR/scenes.sdat” [1]
E {PPU[0x1000000] Thread (main_thread) [0x00af2090]} SYS: 'sys_fs_open' failed with 0x80010006 : CELL_ENOENT, “/dev_hdd0/game/NPUB30054/USRDIR/sdated/scenes.ga” [1]
E {PPU[0x1000000] Thread (main_thread) [0x00af2090]} SYS: 'sys_fs_open' failed with 0x80010006 : CELL_ENOENT, “/dev_hdd0/game/NPUB30054/USRDIR/Pics/ICON0.PNG” [1]
E {PPU[0x1000000] Thread (main_thread) [0x00af2090]} SYS: 'sys_fs_open' failed with 0x80010006 : CELL_ENOENT, “/dev_hdd0/game/NPUB30054/USRDIR/Pics/PIC1.PNG” [1]
E {PPU[0x100000b] Thread (trophyThread) [0x007e0098]} SYS: 'sceNpTrophyCreateContext' failed with 0x8002291b : SCE_NP_TROPHY_ERROR_CONF_DOES_NOT_EXIST [1]
E {PPU[0x100000b] Thread (trophyThread) [0x007e0058]} SYS: 'sceNpTrophyDestroyHandle' failed with 0x80022906 : SCE_NP_TROPHY_ERROR_INVALID_ARGUMENT [1]
E {PPU[0x100000b] Thread (trophyThread) [0x007e0038]} SYS: 'sceNpTrophyDestroyContext' failed with 0x80022906 : SCE_NP_TROPHY_ERROR_INVALID_ARGUMENT [1]
U {PPU[0x100000b] Thread (trophyThread) [0x00a11038]} sys_prx TODO: _sys_prx_unload_module(id=0x2300a500, flags=0x0, pOpt=*0x0)
E {PPU[0x1000011] Thread (npdrm-rights-check) [0x007e5830]} SYS: 'sceNpDrmIsAvailable2' failed with 0x80010006 : CELL_ENOENT [1]
E {PPU[0x1000010] Thread (saveLoadThread) [0x007e0278]} SYS: 'cellSaveDataAutoLoad2' failed with 0x8002b401 : CELL_SAVEDATA_ERROR_CBRESULT [1]
E {PPU[0x1000012] Thread (npdrm-rights-check) [0x007e5830]} SYS: 'sceNpDrmIsAvailable2' failed with 0x80010006 : CELL_ENOENT [1]
E {PPU[0x1000013] Thread (npdrm-rights-check) [0x007e5830]} SYS: 'sceNpDrmIsAvailable2' failed with 0x80010006 : CELL_ENOENT [1]
E {PPU[0x1000000] Thread (main_thread) [0x00af2090]} SYS: 'sys_fs_open' failed with 0x80010006 : CELL_ENOENT, “/dev_hdd0/game/NPUB30054/USRDIR//autoexec.gm” [1]
E {PPU[0x1000000] Thread (main_thread) [0x00af2090]} SYS: 'sys_fs_open' failed with 0x80010006 : CELL_ENOENT, “/dev_hdd0/game/NPUB30054/USRDIR/dev_hdd0/game/NPUB30054/USRDIR/autoexec.gm” [1]
E {PPU[0x1000000] Thread (main_thread) [0x00af2090]} SYS: 'sys_fs_open' failed with 0x80010006 : CELL_ENOENT, “/dev_hdd0/game/NPUB30054/USRDIR//autoexec.gm” [2]
E {PPU[0x1000000] Thread (main_thread) [0x00af2090]} SYS: 'sys_fs_open' failed with 0x80010006 : CELL_ENOENT, “/dev_hdd0/game/NPUB30054/USRDIR/dev_hdd0/game/NPUB30054/USRDIR/autoexec.gm” [2]
E {PPU[0x1000000] Thread (main_thread) [0x00af2090]} SYS: 'sys_fs_open' failed with 0x80010006 : CELL_ENOENT, “/dev_hdd0/game/NPUB30054/USRDIR/scenes/startup/startup.sbf” [1]
E {PPU[0x1000000] Thread (main_thread) [0x00af2090]} SYS: 'sys_fs_open' failed with 0x80010006 : CELL_ENOENT, “/dev_hdd0/game/NPUB30054/USRDIR/scenes/startup/startup.sbf” [2]
E {PPU[0x1000000] Thread (main_thread) [0x001cce3c]} SYS: 'sys_semaphore_post' failed with 0x80010002 : CELL_EINVAL [1]
E {PPU[0x1000000] Thread (main_thread) [0x001cce3c]} SYS: 'sys_semaphore_post' failed with 0x80010002 : CELL_EINVAL [2]
E {PPU[0x1000000] Thread (main_thread) [0x001cce3c]} SYS: 'sys_semaphore_post' failed with 0x80010002 : CELL_EINVAL [3]

In short, opening a symlink:

G:\LaunchBox\Emulators\rpcs3\dev_hdd0_symlink -->> G:\Roms\rpcs3\dev_hdd0

Opening a junction:

G:\LaunchBox\Emulators\rpcs3\dev_hdd0_junction ->> G:\LaunchBox\Emulators\rpcs3\dev_hdd0_junction