That was like me in ‘98 trying to install Mandrake linux over NetBIOS with a public sftp over ISDN line… one bad block or wrong checksum stalled the whole install. Start over again. Eventually a friend of mine was kind enough to store the sftp contents to a CD as I had already parted my drive. Thankfully we had CD burners but was limited to 2x write speed due to checksum verification failures.