Do these messages indicate a problem? Or is yum just retrying and ultimately succeeding? yum install squirrelmail Gathering header information file(s) from server(s) Server: Fedora Core 2 - i386 - Base Server: Fedora Core 2 - i386 - Released Updates Finding updated packages Downloading needed headers Resolving dependencies Dependencies resolved I will do the following: [install: squirrelmail 1.4.3-1.noarch] Is this ok [y/N]: y Downloading Packages Getting squirrelmail-1.4.3-1.noarch.rpm squirrelmail-1.4.3-1.noar 100% |=========================| 3.2 MB 15:09 error: rpmts_HdrFromFdno: MD5 digest: BAD Expected(ffb3ebfd39a20912c23e2aa329e3e 2df) != (f45cf2d1372634c89c2a28282d673251) squirrelmail-1.4.3-1.noar 100% |=========================| 88 kB 05:01 error: rpmts_HdrFromFdno: headerRead failed: hdr blob(122433): BAD, read returne d 89147 squirrelmail-1.4.3-1.noar 100% |=========================| 52 kB 05:01 error: rpmts_HdrFromFdno: headerRead failed: hdr blob(122433): BAD, read returne d 52435 squirrelmail-1.4.3-1.noar 100% |=========================| 3.2 MB 01:22 Running test transaction: Test transaction complete, Success! squirrelmail 100 % done 1/1 Installed: squirrelmail 1.4.3-1.noarch Transaction(s) Complete