I have tried to install MikTeX using the Net Installer (setup-2.9.6942-x64) from a local repository that has the update of the 13 February but I am getting this error:

An error occurred: source file: Libraries\MiKTeX\PackageManager\PackageDataStore.cpp source line: 397 message: The requested package is unknown. info: name="biber-windows-x64"

  • Welcome to TeX.SE!! This is probably a very silly question, but have you checked that your Windows version is compatible with what you want to install (32/64 bits)? – manooooh Feb 19 '19 at 5:44
  • 1
    @manooooh: my windows is 10 64bit and it is compatible – targat Feb 19 '19 at 6:10
  • Do you have biber-windows-x64.tar.lzma in your local repository? – Ulrike Fischer Feb 19 '19 at 9:29
  • @UlrikeFischer: yes i do have biber-windows-x64.tar.lzma in my local repository – targat Feb 19 '19 at 14:31
  • Are the package databases in the local repository in sync with the repository? – Ulrike Fischer Feb 19 '19 at 14:37

The problem is due to the 13 February update. I downloaded a new update (18 February) and this solved the problem.

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