Event ID: 7026 error on boot-up

I am receiving the following error. This is on a file server and is causing a big problem for me. Does anyone know?

Event ID: 7026
Source: Server Control Manager
Type: Error
Category: None
The following boot-start or system-start driver(s) failed to load:
ppa3nt

I have no idea what app ppa3nt belongs to.

NT4.0 SP6
PII 400mhz

Anyone have any suggestions?