THE ENTIRE RISK ARISING OUT OF USE OR PERFORMANCE OF STEAM AND THE STEAM SOFTWARE REMAINS WITH YOU, THE USER. VALVE EXPRESSLY DISCLAIMS ANY WARRANTY FOR STEAM AND THE STEAM SOFTWARE. STEAM AND THE STEAM SOFTWARE IS PROVIDED ON AN "AS IS" AND "AS AVAILABLE" BASIS WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NONINFRINGEMENT. ANY WARRANTY AGAINST INFRINGEMENT THAT MAY BE PROVIDED IN SECTION 2-312(3) OF THE UNIFORM COMMERCIAL CODE AND/OR IN ANY OTHER COMPARABLE STATE STATUTE IS EXPRESSLY DISCLAIMED.
VALVE DOES NOT GUARANTEE CONTINOUS, ERROR-FREE, VIRUS-FREE OR SECURE OPERATION AND ACCESS TO STEAM, THE STEAM SOFTWARE, YOUR ACCOUNT AND YOUR SUBSCRIPTIONS(S). YOU ASSUME THE ENTIRE RISK WITH RESPECT TO THE PERFORMANCE AND RESULTS OF THE STEAM SOFTWARE IN CONNECTION WITH YOUR HARDWARE.
NEITHER VALVE, ITS LICENSORS, NOR THEIR AFFILIATES SHALL BE LIABLE IN ANY WAY FOR LOSS OR DAMAGE OF ANY KIND RESULTING FROM THE USE OR INABILITY TO USE STEAM, YOUR ACCOUNT, YOUR SUBSCRIPTIONS AND THE STEAM SOFTWARE INCLUDING, BUT NOT LIMITED TO, LOSS OF GOODWILL, WORK STOPPAGE, COMPUTER FAILURE OR MALFUNCTION, OR ANY AND ALL OTHER COMMERCIAL DAMAGES OR LOSSES. YOU ACKNOWLEDGE AND AGREE THAT YOUR SOLE AND EXCLUSIVE REMEDY FOR ANY DISPUTE WITH VALVE IS TO DISCONTINUE USE OF STEAM AND CANCEL YOUR ACCOUNT. BECAUSE SOME STATES OR JURISDICTIONS DO NOT ALLOW THE EXCLUSION OR THE LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES, IN SUCH STATES OR JURISDICTIONS, VALVE, ITS LICENSORS, AND THEIR AFFILIATES LIABILITY SHALL BE LIMITED TO THE FULL EXTENT PERMITTED BY LAW.
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You MUST have Steam to play HalfLife2 right? Therefore STEAM is an inseperable function from the game. Doesn't this mean they are trying to say that no matter
what goes wrong with Half Life 2, you are the person responsible for it?
Seems a wee bit iffy in the UK, gonna check that out

Edit : Bolded another interesting part.