Dear all, I am trying to install arp/warp and I am stuck with the following error: ------------------------------------------------------------------------------------------------------ Checking refmac5 installation - refmac5: Command not found. *** ERROR *** Cannot execute refmac5 *** INSTALLATION OF ARP/wARP 7.0.1 FAILED *** ------------------------------------------------------------------------------------------------------ CCP4 is installed and refmac5 is running. A few more information: The system is Kubuntu 7.10 My shell is bash (tried tcsh as well and got the same error) Typing refmac5 -i returns: ------------------------------------------------------------------------------------------------------ CCP4 software suite: library version 6.0 CCP4 software suite: patch level 6.0.2 Program: refmac5; version 5.2.0019 ------------------------------------------------------------------------------------------------------ when I type refmac5 I get: ------------------------------------------------------------------------------------------------------ ############################################################### ############################################################### ############################################################### ### CCP4 6.0: Refmac_5.2.0019 version 5.2.0019 : 06/09/05## ############################################################### User: manager Run date: 17/ 3/2008 Run time: 09:45:33 Please reference: Collaborative Computational Project, Number 4. 1994. "The CCP4 Suite: Programs for Protein Crystallography". Acta Cryst. D50, 760-763. as well as any specific reference in the program write-up. <!--SUMMARY_END--></FONT></B> $TEXT:Reference1: $$ comment $$ "Refinement of Macromolecular Structures by the Maximum-Likelihood Method:" G.N. Murshudov, A.A.Vagin and E.J.Dodson,(1997) Acta Crystallogr. D53, 240-255 EU Validation contract: BIO2CT-92-0524 $$ $SUMMARY :Reference1: $$ Refmac: $$ :TEXT:Reference1: $$ ------------------------------------------------------------------------------------------------------ Thank you all in advance for any help.