Could someone tell me from where can I find the lost thing on my computer to have this error: xc_acm_op. What must I install to solve my problem? [horacio@localhost ~]$ /usr/sbin/xm T[horacio@localhost ~]$ /usr/sbin/xm Traceback (most recent call last): File "/usr/sbin/xm", line 8, in ? from xen.xm import main File "/usr/lib64/python2.4/site-packages/xen/xm/main.py", line 43, in ? from xen.util import security File "/usr/lib64/python2.4/site-packages/xen/util/security.py", line 24, in ? from xen.lowlevel import acm ImportError: /usr/lib64/python2.4/site-packages/xen/lowlevel/acm.so: undefined symbol: xc_acm_op raceback (most recent call last): File "/usr/sbin/xm", line 8, in ? from xen.xm import main File "/usr/lib64/python2.4/site-packages/xen/xm/main.py", line 43, in ? from xen.util import security File "/usr/lib64/python2.4/site-packages/xen/util/security.py", line 24, in ? from xen.lowlevel import acm ImportError: /usr/lib64/python2.4/site-packages/xen/lowlevel/acm.so: undefined symbol: xc_acm_op