Hello,
I have installed both, CLI and Desktop on my Arch Linux.
I used first CLI only w/o any problems.

But since I opened Desktop, I get no password in CLI anymore.
Please check attached screenshot for details.

I started strace to debug the mpw program and identified this:

[...]
openat(AT_FDCWD, "/home/thomas/.mpw.d/Thomas.mpsites.json", O_RDONLY) = 3
newfstatat(3, "", {st_mode=S_IFREG|0700, st_size=27585, ...}, AT_EMPTY_PATH) = 0
read(3, "{\n  "export": {\n    "format": 1,"..., 4096) = 4096
read(3, "7:17Z"\n    },\n    "pgp-zip": {\n "..., 4096) = 4096
read(3, "em-admin": {\n      "type": 17,\n "..., 4096) = 4096
read(3, "thm": 3,\n      "login_type": 30,"..., 4096) = 4096
read(3, "   "last_used": "2020-12-10T14:4"..., 4096) = 4096
read(3, "\n    },\n    "dietpi-root": {\n   "..., 4096) = 4096
read(3, "nter": 1,\n      "algorithm": 3,\n"..., 4096) = 3009
read(3, "", 4096)                       = 0
close(3)                                = 0
stat("/dev/urandom", {st_mode=S_IFCHR|0666, st_rdev=makedev(0x1, 0x9), ...}) = 0
openat(AT_FDCWD, "/dev/urandom", O_RDONLY) = 3
read(3, "p\26@\n", 4)                   = 4
close(3)                                = 0
openat(AT_FDCWD, "/etc/localtime", O_RDONLY|O_CLOEXEC) = 3
newfstatat(3, "", {st_mode=S_IFREG|0644, st_size=2298, ...}, AT_EMPTY_PATH) = 0
newfstatat(3, "", {st_mode=S_IFREG|0644, st_size=2298, ...}, AT_EMPTY_PATH) = 0
read(3, "TZif2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\t\0\0\0\t\0\0\0\0"..., 4096) = 2298
lseek(3, -1449, SEEK_CUR)               = 849
read(3, "TZif2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\t\0\0\0\t\0\0\0\0"..., 4096) = 1449
close(3)                                = 0
newfstatat(AT_FDCWD, "/etc/localtime", {st_mode=S_IFREG|0644, st_size=2298, ...}, 0) = 0
mmap(NULL, 33558592, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x7f2a3a1c5000
munmap(0x7f2a3a1c5000, 33558592)        = 0
newfstatat(AT_FDCWD, "/etc/localtime", {st_mode=S_IFREG|0644, st_size=2298, ...}, 0) = 0
--- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0x8} ---
+++ killed by SIGSEGV (core dumped) +++
Speicherzugriffsfehler (Speicherabzug geschrieben)

Speicherzugriffsfehler is german for:
Segmentation fault

Please advise how to fix this issue.

Regards
Thomas