Looks as if the @ task, the indirect command processor, is either defective, or was not linked correctly for this system. Check the system generation manual; there are hints on how to replace it. This is for instance necessary for a sysgen (INS a /BIG version of it). If this fails, the TSK is broken. The sysgen rebuilds IND from an OLB regularly; there is a BLD file for this. You don't need to run a full sysgen for it (infact, with a broken @ processor, you can't). Regards Holger Mit TouchDown von meinem Android-Telefon gesendet (www.nitrodesk.com) -----Original Message----- From: supervinx [supervinx at libero.it] Received: Donnerstag, 24 M?rz 2016, 23:30 To: cctalk at classiccmp.org [cctalk at classiccmp.org] Subject: RSX-11 trouble Hi! Got a MicroPDP 11 plus. It seems to be misconfigured. It can't execute .CMD files, reporting Task "...AT." terminated Load failure. Read error No disk errors are reported with ELI DU0:/SH Disk seems to work: I can run .TSK files. The file STARTUP.CMD isn't read at all. Any hints? Which file is executed right before STARTUP.CMD? I see two RED commands and a MOU before it tries to read [1,2]STARTUP.CMD and reports the aforementioned error. Thanks