query: Re-install working version of Ubuntu
positive_passages.docid: 918
positive_passages.text: How to remove Ubuntu and put Windows back on?
negative_passages.docid: 154520
negative_passages.text: How to reinstall apt on Debian?
negative_passages.docid: 111573
negative_passages.text: What's the best way to re-enable PPAs/repos after an upgrade?
negative_passages.docid: 12479
negative_passages.text: Recover Ubuntuone files after 14.04 installation
negative_passages.docid: 18791
negative_passages.text: How to create an iso from current installation
negative_passages.docid: 15687
negative_passages.text: How do I resume a release upgrade?
negative_passages.docid: 479
negative_passages.text: How can I boot with an older kernel version?
negative_passages.docid: 149437
negative_passages.text: Ubuntu equivalent of system restore? Does it exist?
negative_passages.docid: 40021
negative_passages.text: How can I get a list of all packages available for a specific version of Ubuntu (not necessarily the one I have installed)?
negative_passages.docid: 28970
negative_passages.text: How to completely remove and reinstall Ubuntu?
negative_passages.docid: 84011
negative_passages.text: Is there such a thing as a restore point in Ubuntu?
negative_passages.docid: 37440
negative_passages.text: How to reinstall Ubuntu 13.04 Raring Ringtail safely?
negative_passages.docid: 129223
negative_passages.text: Ubuntu upgrade from 17.04 to 18.04
negative_passages.docid: 30233
negative_passages.text: How can I fix/install/reinstall grub?
negative_passages.docid: 102065
negative_passages.text: How do I rebuild a corrupt dpkg status file?
negative_passages.docid: 25739
negative_passages.text: How do I reinstall Unity?
negative_passages.docid: 125976
negative_passages.text: What Happens When I Upgrade Ubuntu?