havpはclamavでhttpパケットのウィルス検出用のプログラムらしいのですが
apt-getでインストールした時に設定スクリプトに問題がある？とメッセージを
出してインストールプロセスが中断してしまいました.
そのご,apt-get upgrade時に毎回以下の様に出ています.

01: # apt-get upgrade
02: Reading package lists... Done
03: Building dependency tree       
04: Reading state information... Done
05: The following packages have been kept back:
06:   linux-headers-generic linux-image-generic
07: 0 upgraded, 0 newly installed, 0 to remove and 2 not upgraded.
08: 1 not fully installed or removed.
09: Need to get 0B of archives.
10: After unpacking 0B of additional disk space will be used.
11: Do you want to continue [Y/n]? y
12: Setting up havp (0.79-1) ...
13: Starting havp: Starting HAVP Version: 0.79
14: Could not open lock testfile /var/run/havp/havp-x1BifE: No such file or directory
15: Maybe you need to: chown havp /var/run/havp
16: Exiting..
17: Exiting..
18: invoke-rc.d: initscript havp, action "start" failed.
19: dpkg: error processing havp (--configure):
20:  subprocess post-installation script returned error exit status 1
21: Errors were encountered while processing:
22:  havp
23: E: Sub-process /usr/bin/dpkg returned an error code (1)
25: #

検索すると同じ様な症状が英文でも問われている様子がありますが,
具体的な解決策が見付かりません.

14,15行にある様に, "/var/run/havp" ホルダを作ると,
#mkdir /var/run/havp

01: # apt-get upgrade
02: Reading package lists... Done
03: Building dependency tree       
04: Reading state information... Done
05: The following packages have been kept back:
06:   linux-headers-generic linux-image-generic
07: 0 upgraded, 0 newly installed, 0 to remove and 2 not upgraded.
08: 1 not fully installed or removed.
09: Need to get 0B of archives.
10: After unpacking 0B of additional disk space will be used.
11: Do you want to continue [Y/n]? y
12: Setting up havp (0.79-1) ...
13: Starting havp: Starting HAVP Version: 0.79
14: Could not open lock testfile /var/run/havp/havp-rbXPjE: Permission denied
15: Maybe you need to: chown havp /var/run/havp
16: Exiting..
17: Exiting..
18: invoke-rc.d: initscript havp, action "start" failed.
19: dpkg: error processing havp (--configure):
20:  subprocess post-installation script returned error exit status 1
21: Errors were encountered while processing:
22:  havp
23: E: Sub-process /usr/bin/dpkg returned an error code (1)
24 #

更にホルダのグループを変更.
#chown havp.havp /var/run/havp

01: # apt-get upgrade
02: Reading package lists... Done
03: Building dependency tree       
04: Reading state information... Done
05: The following packages have been kept back:
06:   linux-headers-generic linux-image-generic
07: 0 upgraded, 0 newly installed, 0 to remove and 2 not upgraded.
08: 1 not fully installed or removed.
09: Need to get 0B of archives.
10: After unpacking 0B of additional disk space will be used.
11: Do you want to continue [Y/n]? y
12: Setting up havp (0.79-1) ...
13: Starting havp: Starting HAVP Version: 0.79
14: Filesystem not supporting mandatory locks!
15: On Linux, you need to mount filesystem with "-o mand"
16: Exiting..
17: invoke-rc.d: initscript havp, action "start" failed.
18: dpkg: error processing havp (--configure):
19:  subprocess post-installation script returned error exit status 1
20: Errors were encountered while processing:
21:  havp
22: E: Sub-process /usr/bin/dpkg returned an error code (1)
23: #

14,15にはマウントオプションが違うとか…

Synapticで完全削除しようとすると

E: havp: サブプロセス pre-removal script はエラー終了ステータス 1 を返しました

と,出てアンインストールも出来ません.

こっ,こまったー.