Are you also unable to connect to another PC, as the session fails to start or suddenly disconnects due to error code 0x3000008? If so, you are not alone; many users ...
The output file name comes from the problem title fetched by CPH (部分背包问题.bin). Windows cmd re-encodes it as ?????.bin, so ld.exe refuses to create the ...
The tilde abbreviation of a folder name can (apparently) happen automatically in Windows. I noticed it because I created an absolute file path for the output PDF file in the temporary folder from ...