Firstly, do you have the TARDIS scripts installed? If so, use Ctrl and T to tag all items, then use the Scripts menu to find and select the TARDIS script (under 1_TARDIS).
AssetX v2.2
All scripts DL/ installed from your page
Well I loaded up a bunch of old assets and checked all the boxes.
Menu/Repair/update asset-file name/ no joy only did one displayed in right window.
TARDIS scripts installed .....yes
1_TARDIS has never removed asset-file name.
No
batch- trainz-build
batch- keyword
batch- thumbnail""