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2.2 Virus and antivirus 

  1.  Verify that your machine (memory + hard disks) doesn't have a virus.
  2.  If you downloaded the distribution by ftp, verify that the files setup.bat, setup.pif and setenv.exe have not been infected during or after the transfer by Ftp 1 .
Deactivate all programs launched at starting time and restart your computer. In particular, if you installed an antivirus that functions permanently, deactivate it and start again your computer so that it is suppressed completely of the memory. Otherwise, the installation risks not to function correctly  : some antiviruses (conceived badly or old or bogged) may detect incorrectly that some files of the distribution are infected and block their installation without warning2 . In case of problem, refer to the part Troubleshooting of the installation manual.

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