Uploads Fine. Downloads keep re-trying

We recently installed the latest version of the ftp software on a new Vista system. It was working fine for a week, then this morning I cannot download. It seems to constantly retry. I've changed from PORT to PASV and back. I've closed, re-opened. Checked firewall (although the settings have not changed and they worked fine last week). Here is the log from the transfer:

[11:00:02] 337 bytes transferred. (N/A/s) (0 ms)
[11:00:02] 226 Transfer complete.
[11:00:12] PORT 75,145,179,114,199,173
[11:00:12] 200 PORT command successful.
[11:00:12] LIST -aL
[11:00:12] 150 Opening ASCII mode data connection for /bin/ls.
[11:00:12] 337 bytes transferred. (N/A/s) (0 ms)
[11:00:12] 226 Transfer complete.
[11:00:22] PORT 75,145,179,114,199,174
[11:00:22] 200 PORT command successful.
[11:00:22] LIST -aL
[11:00:22] 150 Opening ASCII mode data connection for /bin/ls.
[11:00:22] 337 bytes transferred. (21.9 KB/s) (15 ms)
[11:00:22] 226 Transfer complete.
[11:00:32] PORT 75,145,179,114,199,184
[11:00:32] 200 PORT command successful.
[11:00:32] LIST -aL
[11:00:32] 150 Opening ASCII mode data connection for /bin/ls.
[11:00:32] 337 bytes transferred. (N/A/s) (0 ms)
[11:00:33] 226 Transfer complete.
[11:00:43] PORT 75,145,179,114,199,185
[11:00:43] 200 PORT command successful.
[11:00:43] LIST -aL
[11:00:43] 150 Opening ASCII mode data connection for /bin/ls.
[11:00:44] 337 bytes transferred. (N/A/s) (0 ms)
[11:00:44] 226 Transfer complete.
[11:00:54] PORT 75,145,179,114,199,186
[11:00:54] 200 PORT command successful.
[11:00:54] LIST -aL
[11:00:55] 150 Opening ASCII mode data connection for /bin/ls.
[11:00:55] 337 bytes transferred. (21.9 KB/s) (15 ms)
[11:00:55] 226 Transfer complete.
[11:01:05] PORT 75,145,179,114,199,187
[11:01:06] 200 PORT command successful.
[11:01:06] LIST -aL
[11:01:06] 150 Opening ASCII mode data connection for /bin/ls.
[11:01:06] 337 bytes transferred. (N/A/s) (0 ms)
[11:01:06] 226 Transfer complete.
[11:01:16] PORT 75,145,179,114,199,197
[11:01:16] 200 PORT command successful.
[11:01:16] LIST -aL
[11:01:16] 150 Opening ASCII mode data connection for /bin/ls.
[11:01:16] 337 bytes transferred. (164 KB/s) (2 ms)
[11:01:16] 226 Transfer complete.
[11:01:26] PORT 75,145,179,114,199,198
[11:01:26] 200 PORT command successful.
[11:01:26] LIST -aL
[11:01:26] 150 Opening ASCII mode data connection for /bin/ls.
[11:01:26] 337 bytes transferred. (N/A/s) (0 ms)
[11:01:26] 226 Transfer complete.
[11:01:36] PORT 75,145,179,114,199,199
[11:01:36] 200 PORT command successful.
[11:01:36] LIST -aL
[11:01:36] 150 Opening ASCII mode data connection for /bin/ls.
[11:01:36] 337 bytes transferred. (N/A/s) (0 ms)
[11:01:36] 226 Transfer complete.
[11:01:46] PORT 75,145,179,114,199,200
[11:01:46] 200 PORT command successful.
[11:01:46] LIST -aL
[11:01:46] 150 Opening ASCII mode data connection for /bin/ls.
[11:01:46] 337 bytes transferred. (N/A/s) (0 ms)
[11:01:47] 226 Transfer complete.
[11:01:57] PORT 75,145,179,114,199,202
[11:01:57] 200 PORT command successful.
[11:01:57] LIST -aL
[11:01:57] 150 Opening ASCII mode data connection for /bin/ls.
[11:01:58] 337 bytes transferred. (N/A/s) (0 ms)
[11:01:58] 226 Transfer complete.
[11:02:08] PORT 75,145,179,114,199,203
[11:02:08] 200 PORT command successful.
[11:02:08] LIST -aL
[11:02:09] 150 Opening ASCII mode data connection for /bin/ls.
[11:02:09] 337 bytes transferred. (N/A/s) (0 ms)
[11:02:09] 226 Transfer complete.
[11:02:19] PORT 75,145,179,114,199,204
[11:02:20] 200 PORT command successful.
[11:02:20] LIST -aL
[11:02:20] 150 Opening ASCII mode data connection for /bin/ls.
[11:02:20] 337 bytes transferred. (N/A/s) (0 ms)
[11:02:20] 226 Transfer complete.
[11:02:30] PORT 75,145,179,114,199,205
[11:02:30] 200 PORT command successful.
[11:02:30] LIST -aL
[11:02:30] 150 Opening ASCII mode data connection for /bin/ls.
[11:02:30] 337 bytes transferred. (N/A/s) (0 ms)
[11:02:30] 226 Transfer complete.
[11:02:40] PORT 75,145,179,114,199,206
[11:02:40] 200 PORT command successful.
[11:02:40] LIST -aL
[11:02:40] 150 Opening ASCII mode data connection for /bin/ls.
[11:02:40] 337 bytes transferred. (N/A/s) (0 ms)
[11:02:40] 226 Transfer complete.
[11:02:50] PORT 75,145,179,114,199,207
[11:02:50] 200 PORT command successful.
[11:02:50] LIST -aL
[11:02:50] 150 Opening ASCII mode data connection for /bin/ls.
[11:02:50] 337 bytes transferred. (N/A/s) (0 ms)
[11:02:50] 226 Transfer complete.
[11:03:00] PORT 75,145,179,114,199,208
[11:03:00] 200 PORT command successful.
[11:03:00] LIST -aL
[11:03:00] 150 Opening ASCII mode data connection for /bin/ls.
[11:03:00] 337 bytes transferred. (21.9 KB/s) (15 ms)
[11:03:01] 226 Transfer complete.
[11:03:11] PORT 75,145,179,114,199,209
[11:03:11] 200 PORT command successful.
[11:03:11] LIST -aL
[11:03:11] 150 Opening ASCII mode data connection for /bin/ls.
[11:03:12] 337 bytes transferred. (N/A/s) (0 ms)
[11:03:12] 226 Transfer complete.
[11:03:22] PORT 75,145,179,114,199,210
[11:03:22] 200 PORT command successful.
[11:03:22] LIST -aL
[11:03:23] 150 Opening ASCII mode data connection for /bin/ls.
[11:03:23] 337 bytes transferred. (N/A/s) (0 ms)
[11:03:23] 226 Transfer complete.
[11:03:34] PORT 75,145,179,114,199,211
[11:03:34] 200 PORT command successful.
[11:03:34] LIST -aL
[11:03:34] 150 Opening ASCII mode data connection for /bin/ls.
[11:03:34] 337 bytes transferred. (N/A/s) (0 ms)
[11:03:34] 226 Transfer complete.
[11:03:44] PORT 75,145,179,114,199,212
[11:03:44] 200 PORT command successful.
[11:03:44] LIST -aL
[11:03:44] 150 Opening ASCII mode data connection for /bin/ls.
[11:03:44] 337 bytes transferred. (N/A/s) (0 ms)
[11:03:44] 226 Transfer complete.
[11:03:54] PORT 75,145,179,114,199,213
[11:03:54] 200 PORT command successful.
[11:03:54] LIST -aL
[11:03:54] 150 Opening ASCII mode data connection for /bin/ls.
[11:03:54] 337 bytes transferred. (N/A/s) (0 ms)
[11:03:54] 226 Transfer complete.
[11:04:04] PORT 75,145,179,114,199,214
[11:04:04] 200 PORT command successful.
[11:04:04] LIST -aL
[11:04:04] 150 Opening ASCII mode data connection for /bin/ls.
[11:04:04] 337 bytes transferred. (21.9 KB/s) (15 ms)
[11:04:05] 226 Transfer complete.
[11:04:15] PORT 75,145,179,114,199,215
[11:04:15] 200 PORT command successful.
[11:04:15] LIST -aL
[11:04:15] 150 Opening ASCII mode data connection for /bin/ls.
[11:04:15] 337 bytes transferred. (N/A/s) (0 ms)
[11:04:16] 226 Transfer complete.