Invalid Directory Name for rpostback.exe

[MikeHelmsAmed]

Hello, we're trying to troubleshoot an issue with the PDF file that we're attempting to knit in RStudio. It seems like a backslash is getting appended after the path to rpostback.exe. Here's the xelatex.log output with this error:

2025-05-09 18:32:15,581Z INFO xelatex - this process (10164) started by Rterm in directory New Qualtrics code with command line: C:\PROGRA~1\MiKTeX\miktex\bin\x64\xelatex.exe -halt-on-error -interaction=batchmode Delete.tex
2025-05-09 18:32:15,582Z INFO xelatex - running on Windows 10.0.26100
2025-05-09 18:32:15,592Z INFO xelatex - running One MiKTeX Utility to refresh the file name database
2025-05-09 18:32:15,595Z INFO xelatex.core - start process: miktex --enable-installer --quiet fndb refresh
2025-05-09 18:32:15,603Z ERROR xelatex.core - The directory name is invalid.
2025-05-09 18:32:15,603Z ERROR xelatex.core - Function: GetFileAttributesW
2025-05-09 18:32:15,603Z ERROR xelatex.core - Result: 267
2025-05-09 18:32:15,603Z ERROR xelatex.core - Data: path="C:\Program Files\RStudio\resources\app\bin\rpostback.exe\ "
2025-05-09 18:32:15,603Z ERROR xelatex.core - Source: Libraries\MiKTeX\Core\Directory\win\winDirectory.cpp:94
2025-05-09 18:32:15,604Z FATAL xelatex - Windows API error 267: The directory name is invalid.
2025-05-09 18:32:15,604Z FATAL xelatex - Info: path="C:\Program Files\RStudio\resources\app\bin\rpostback.exe\ "
2025-05-09 18:32:15,604Z FATAL xelatex - Source: Libraries\MiKTeX\Core\Directory\win\winDirectory.cpp
2025-05-09 18:32:15,604Z FATAL xelatex - Line: 94
2025-05-09 18:32:15,613Z INFO xelatex - this process (10164) finishes with exit code 1