Will deleting them cause problems? (I mean deleting the startup entries - not the drivers themselves.)
Here is a list:
itchfltr.sys Logitech PS2 Keyboard Filter Driver. Logitech, Inc.
LCcfltr.sys Logitech Consumer Control Filter Driver. Logitech, Inc.
LHidFilt.sys Logitech HID Filter Driver. Logitech, Inc.
LHidFlt2.sys File not found: system32\DRIVERS\LHidFlt2.sys
LHidUsb.sys Logitech USB Receiver Logitech, Inc.
LHidUsbK.sys Logitech SetPoint USB Receiver Logitech, Inc.
LMouFilt.sys Logitech Mouse Filter Driver. Logitech, Inc.
LMouKE.sys File not found: System32\Drivers\LMouKE.sys
LUsbFilt.sys Logitech USB Filter Driver. Logitech, Inc.