did not install, just want a working laptop

[hawk]

ran installed, suddenly installer failed. now when i load it it says ubi partman failed with exit code 10. Now windows 10 is nuked and this laptop has no OS and i'm affraid to even restart it as it's my only comp. plz send help

this was with kubuntu .10, not the .4 release. tried to install it from the USB

ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: ubiquity 18.10.12
ProcVersionSignature: Ubuntu 4.18.0-10.11-generic 4.18.12
Uname: Linux 4.18.0-10-generic x86_64
ApportVersion: 2.20.10-0ubuntu13
Architecture: amd64
CasperVersion: 1.399
CurrentDesktop: KDE
Date: Sat Nov 17 03:31:18 2018
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/kubuntu.seed boot=casper maybe-ubiquity quiet splash ---
LiveMediaBuild: Kubuntu 18.10 "Cosmic Cuttlefish" - Release amd64 (20181017.2)
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)