linux-restricted-module cannot be removed for problem in postinstall

[SoloTurn]

if one wants to remove linux-restricted modules it insists in finding files which are not there any more.

$ sudo wajig purge linux-restricted-modules-2.6.26-5-generic
(Lese Datenbank ... 188939 Dateien und Verzeichnisse sind derzeit installiert.)
Entferne linux-restricted-modules-2.6.26-5-generic ...
WARNING: Couldn't open directory /lib/modules/2.6.26-5-generic: No such file or directory
FATAL: Could not open /lib/modules/2.6.26-5-generic/modules.dep.temp for writing: No such file or directory
update-initramfs: Generating /boot/initrd.img-2.6.26-5-generic
Cannot find /lib/modules/2.6.26-5-generic
update-initramfs: failed for /boot/initrd.img-2.6.26-5-generic
dpkg: Fehler beim Bearbeiten von linux-restricted-modules-2.6.26-5-generic (--purge):
 Unterprozess post-removal script gab den Fehlerwert 1 zurück
Fehler traten auf beim Bearbeiten von:
 linux-restricted-modules-2.6.26-5-generic

after creating an emtpy file, it removed it.