Lucimgr, muito obrigado pela atenção, rapaz! Valeu mesmo!
Bom, o seguinte que apareceu com os passos que me recomendou foram esses:
aerys@aeryssecond-HP-G42-Notebook-PC:~$ cd ~/Downloads
aerys@aeryssecond-HP-G42-Notebook-PC:~/Downloads$ wine LeagueofLegends.exe
fixme:storage:create_storagefile Storage share mode not implemented.
fixme:advapi:LsaOpenPolicy ((null),0xc7e398,0x00000001,0xc7e390) stub
fixme:advapi:LsaClose (0xcafe) stub
fixme:advapi:LsaOpenPolicy ((null),0xc7e398,0x00000001,0xc7e390) stub
fixme:advapi:LsaClose (0xcafe) stub
fixme:advapi:LsaOpenPolicy ((null),0xc7e398,0x00000001,0xc7e390) stub
fixme:advapi:LsaClose (0xcafe) stub
fixme:advapi:LsaOpenPolicy ((null),0xc7e398,0x00000001,0xc7e390) stub
fixme:advapi:LsaClose (0xcafe) stub
fixme:advapi:LsaOpenPolicy ((null),0xc7e398,0x00000001,0xc7e390) stub
fixme:advapi:LsaClose (0xcafe) stub
fixme:advapi:LsaOpenPolicy ((null),0xc7e398,0x00000001,0xc7e390) stub
fixme:advapi:LsaClose (0xcafe) stub
fixme:shell:SHGetKnownFolderPath flags 0x00004400 not supported
fixme:shell:SHGetKnownFolderPath flags 0x00004400 not supported
fixme:shell:SHGetKnownFolderPath flags 0x00004400 not supported
fixme:ntdll:find_reg_tz_info Can't find matching timezone information in the registry for bias 180, std (d/m/y): 0/00/0000, dlt (d/m/y): 0/00/0000
err:richedit:ReadStyleSheet missing style number
err:msi:msi_dialog_create_controls no handler for element type L"Hyperlink"
err:msi:msi_dialog_create_controls no handler for element type L"Hyperlink"
err:msi:msi_dialog_create_controls no handler for element type L"Hyperlink"
fixme:storage:create_storagefile Storage share mode not implemented.
fixme:ntdll:find_reg_tz_info Can't find matching timezone information in the registry for bias 180, std (d/m/y): 0/00/0000, dlt (d/m/y): 0/00/0000
fixme:advapi:LsaOpenPolicy ((null),0x928e398,0x00000001,0x928e390) stub
fixme:advapi:LsaClose (0xcafe) stub
fixme:advapi:LsaOpenPolicy ((null),0x928e398,0x00000001,0x928e390) stub
fixme:advapi:LsaClose (0xcafe) stub
fixme:advapi:LsaOpenPolicy ((null),0x928e398,0x00000001,0x928e390) stub
fixme:advapi:LsaClose (0xcafe) stub
fixme:advapi:LsaOpenPolicy ((null),0x928e398,0x00000001,0x928e390) stub
fixme:advapi:LsaClose (0xcafe) stub
fixme:advapi:LsaOpenPolicy ((null),0x928e398,0x00000001,0x928e390) stub
fixme:advapi:LsaClose (0xcafe) stub
fixme:advapi:LsaOpenPolicy ((null),0x928e398,0x00000001,0x928e390) stub
fixme:advapi:LsaClose (0xcafe) stub
fixme:shell:SHGetKnownFolderPath flags 0x00004400 not supported
fixme:shell:SHGetKnownFolderPath flags 0x00004400 not supported
fixme:shell:SHGetKnownFolderPath flags 0x00004400 not supported
err:msi:ACTION_CallDllFunction Custom action (L"C:\\users\\aerys\\Temp\\msifa39.tmp":L"OnAiRemoveFilesUndoable") caused a page fault: c0000005
fixme:ntdll:server_ioctl_file Unsupported ioctl 110008 (device=11 access=0 func=2 method=0)