RStudio desktop "fatal error" when opening

I installed rstudio-1.3.1093-amd64.deb on Pop!_OS 20.04 (with R version 4.0.3 (2020-10-10)). I worked without issues for weeks. Several days ago RStudio got a "fatal error" when opening.
I upgraded to Pop!_OS 20.10 (kernel 5.8.0-7630-generic) with the same version of RStudio. I experienced the same issue (by the way, I use a GK208BM [GeForce 920M] with Nvidia drivers version 455.38). These are the error messages RStudio's console shows me:

[43616:43616:20201203,172720.732371:ERROR process_memory_range.cc:86] read out of range
[43616:43616:20201203,172720.732434:ERROR elf_image_reader.cc:558] missing nul-terminator
[43616:43616:20201203,172720.732617:ERROR elf_dynamic_array_reader.h:61] tag not found
[43616:43616:20201203,172720.734927:ERROR elf_dynamic_array_reader.h:61] tag not found
[43616:43616:20201203,172720.735002:ERROR elf_dynamic_array_reader.h:61] tag not found
[43616:43616:20201203,172720.735075:ERROR elf_dynamic_array_reader.h:61] tag not found
[43616:43616:20201203,172720.735147:ERROR elf_dynamic_array_reader.h:61] tag not found
[43616:43616:20201203,172720.735226:ERROR elf_dynamic_array_reader.h:61] tag not found
[43616:43616:20201203,172720.735891:ERROR elf_dynamic_array_reader.h:61] tag not found
[43616:43616:20201203,172720.735941:ERROR elf_dynamic_array_reader.h:61] tag not found
[43616:43616:20201203,172720.737575:ERROR elf_dynamic_array_reader.h:61] tag not found
[43616:43616:20201203,172720.737622:ERROR elf_dynamic_array_reader.h:61] tag not found
[43616:43617:20201203,172720.772958:ERROR directory_reader_posix.cc:42] opendir: No such file or directory (2)

Sometimes I receive another error message:

Errore: 'translateCharUTF8' must be called on a CHARSXP, but got 'language'

What should I do? Many thanks!

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