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par un virus          en utilisant un logiciel antivirus, qui peut balayer votre disque dur.          Si un logiciel antivirus d&eacute;tecte un virus lors du balayage de votre          disque dur, il vous en avisera et vous offrira le choix de le d&eacute;truire          ou de l'ignorer.        <p> La plupart des applications antivirus peuvent &ecirc;tre configur&eacute;es          de mani&egrave;re &agrave; balayer automatiquement votre dique dur, vos          disquettes et vos fichiers avant d'&ecirc;tre ouverts. Ce processus immunise          efficacement votre syst&egrave;me contre les infections caus&eacute;es          par les virus.        <p> <b>Rappel:</b> Les virus ne peuvent pas endommager vos fichiers s'ils          sont d&eacute;tect&eacute;s &agrave; temps.        <p>        <TABLE BORDER CELLSPACING=2 CELLPADDING=2>         <TR>            <TD ALIGN=CENTER><A HREF="comment.html">Comment mon ordinateur peut-il              contracter un virus?</A></TD>           <TD ALIGN=CENTER><A HREF="proteger.html">Comment prot&eacute;ger mon              ordinateur des virus?</A></TD>           <TD ALIGN=CENTER><A HREF="antivirus.html">O&ugrave; puis-je me procurer              des logiciels antivirus?</A></TD>           <TD ALIGN=CENTER><A HREF="racontar.html">Comment savoir s'il s'agit              d'un virus ou d'un racontar?</A>            <TD ALIGN=CENTER><A HREF="virus.html">Mon ordinateur peut-il contracter              un virus sur Internet?</A> </TD>         </TR>       </TABLE>       <P>        <!-- #EndEditable --></FONT>       <!-- Help Footer for Helpindex template only (replaces Helpindex links for Help Glossary links) -->       <table width="468" border="0" cellspacing="0" cellpadding="0" align="center" valign="top">  <tr>  <td width="468" colspan="3" align="CENTER" valign="TOP"><br>  <img src="/Aidez/images/Fsr.gif" width=450 height=15 alt="Documentation de recherche" border=0>  </td>  </tr>  <tr>  <td width="200" align="CENTER" valign="TOP">  <! 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