When ever I try to download something usinf Fink I get this error does anyone kno what is wrong?

Reading Package Lists... Done
Building Dependency Tree... Done
The following packages will be REMOVED:
The following NEW packages will be installed:
type1inst xfont-base xfree86-base xfree86-rootless
WARNING: The following essential packages will be removed
This should NOT be done unless you know exactly what you are doing!
0 packages upgraded, 4 newly installed, 1 to remove and 0 not upgraded.
Need to get 44.7MB/44.7MB of archives. After unpacking 0B will be used.
You are about to do something potentially harmful
To continue type in the phrase 'Yes, do as I say!'
?] Yes, do as I say!
Get:1 current/main xfree86-base 4.1.0-6 [41.1MB]
Err current/main xfree86-base 4.1.0-6
Error writing to output file - write (5 Input/output error)
Err release/main xfree86-rootless
Bad header line
Failed to fetch Error writing to output file - write (5 Input/output error)
Failed to fetch Bad header line
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?
Some errors occurred while unpacking. I'm going to configure the
packages that were installed. This may result in duplicate errors
or errors caused by missing dependencies. This is OK, only the errors
above this message are important. Please fix them and run nstall again
Press enter to continue.

Someone at the macaddict forums told me to erase fink then reinstall it but how do i do that and know i can't even try to download stuff with fink becasue the option of getting the files online is gone.