<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="font-family: Arial, sans-serif; font-size: 13px; white-space: pre-wrap; ">I solved by the following methods. </span><div><font class="Apple-style-span" face="Arial, sans-serif" size="3"><span class="Apple-style-span" style="font-size: 13px; white-space: pre-wrap;"><br></span></font></div><div><font class="Apple-style-span" face="Arial, sans-serif" size="3"><span class="Apple-style-span" style="font-size: 13px; white-space: pre-wrap;"><span class="Apple-style-span" style="color: rgb(51, 51, 51); ">I retrieved libgfortran1_4.1.2-21ubuntu1_i386.deb with Google and downloaded it. </span></span></font></div><div><font class="Apple-style-span" color="#333333" face="Arial, sans-serif" size="3"><span class="Apple-style-span" style="font-size: 13px; white-space: pre-wrap;"><br></span></font></div><div><font class="Apple-style-span" color="#333333" face="Arial, sans-serif" size="3"><span class="Apple-style-span" style="font-size: 13px; white-space: pre-wrap;"><div>$ cd ~/</div>$ mkdir tmp<br>$ dpkg-deb -x libgfortran1_4.1.2-21ubuntu1_i386.deb ~/tmp<br>$ cd ~/tmp/usr/lib<br><div>$ sudo cp ./libgfortran.so.1.0.0 /usr/lib</div><div>$ cd /usr/lib</div><div>$ ln -s libgfortran.so.1.0.0 libgfortran.so.1</div><div><br></div><div><br></div></span></font></div></body></html>