Uninstaller cause a memory acces violation (V3.0.13 X32 XP)

I have a P4 HT, My system internet browser is Firefox, OS: XP sp2 32bit, AV: None Security Apps: Comodo Firewall Pro 3.013, Comodo Memory Guardian 1.0.16b

Uninstaller trigger a memory access violation at 0x0012e7f8.

The error dialog reported something like: The opcode at 0x0012e7f8 referenced memory at 0x0012e7f8. That address cannot be “written”