Nevermind, I have formated the disk, recovered windows and then when I've loaded Ubuntu from Live cd, The partition editor finally allowed to created the extended disk. After creating it all installation went just fine :)
Thanks for support. -- Bug of installation https://bugs.launchpad.net/bugs/172437 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
