Thanks for your last comments. However, the bug described is not the same reported here. Please refer to this list https://bugs.launchpad.net/ubuntu/+bugs?field.searchtext=WARNING+**%3A+Unknown+error+forking+main+binary+%2F+abnormal+early+exit to find many bugs that look like your problem. If you think that these don't regard your issue, please report a new bug. Thanks again.
Thanks for your last comments. However, the bug described is not the same reported here. Please refer to this list https:/ /bugs.launchpad .net/ubuntu/ +bugs?field. searchtext= WARNING+ **%3A+Unknown+ error+forking+ main+binary+ %2F+abnormal+ early+exit to find many bugs that look like your problem. If you think that these don't regard your issue, please report a new bug. Thanks again.