Valve Steam DLL tier0_s.dll

Fixing DLL Errors: Tier0_s.dll Download and Repair

Last Updated: 11/26/2023
[Time to Read: ~3-5 minutes]

tier0_s.dll uses the DLL file extension, which is more specifically known as a tier0_s Dynamic Link Library file. It is classified as a Win32 DLL (Dynamic link library) file, created for tier0_s Dynamic Link Library by Valve.

tier0_s.dll was initially released with Razer Cortex 9.0.74.878 on 07/17/2018 for the Windows 10 Operating System. The latest file version for Steam API v018 is v05.56.68.04 released on 11/05/2014.

In this short article, you will discover detailed file information, steps for troubleshooting DLL file problems with tier0_s.dll, and list of free downloads for every version that exists in our comprehensive file directory.

File Analysis Provided by Jason Geater (Author)

File Overview

General Information ^✻
File Name:	tier0_s.dll
File Extension:	DLL file extension
Description:	tier0_s Dynamic Link Library
Object File Type:	Dynamic link library
File Operating System:	Win32
MIME Type:	application/octet-stream
User Popularity Rating:

Developer and Software Information
Software Developer:	Valve Corporation
Software Program:	tier0_s Dynamic Link Library
Legal Copyright:	Copyright (C) 2007

File Details
Character Set:	Unicode
Language Code:	English (U.S.)
File Flags:	(none)
File Flags Mask:	0x0017
Entry Point:	0x1e1a8
Code Size:	228864

View Other tier0_s.dll Information

File Info	Description
File Size:	321 kB
File Modification Date/Time:	2019:12:29 19:43:50+00:00
File Type:	Win32 DLL
MIME Type:	application/octet-stream
Machine Type:	Intel 386 or later, and compatibles
Time Stamp:	2019:12:16 16:50:03+00:00
PE Type:	PE32
Linker Version:	14.14
Code Size:	228864
Initialized Data Size:	91136
Uninitialized Data Size:	0
Entry Point:	0x1e1a8
OS Version:	5.1
Image Version:	0.0
Subsystem Version:	5.1
Subsystem:	Windows GUI
File Version Number:	5.56.68.4
Product Version Number:	1.0.0.1
File Flags Mask:	0x0017
File Flags:	(none)
File OS:	Win32
Object File Type:	Dynamic link library
File Subtype:	0
Language Code:	English (U.S.)
Character Set:	Unicode
Company Name:	Valve Corporation
File Description:	tier0_s Dynamic Link Library
File Version:	05.56.68.04
Internal Name:	tier0_s (buildbot_steam-relclient-win32-builder_steam_rel_client_win32@steam-relclient-win32-builder)
Legal Copyright:	Copyright (C) 2007
Product Name:	tier0_s Dynamic Link Library
Product Version:	01.00.00.01

^✻ Portions of file data provided by Exiftool (Phil Harvey) distributed under the Perl Artistic License.

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What are tier0_s.dll Error Messages?

Dynamic Link Library tier0_s.dll Errors

tier0_s.dll is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like tier0_s.dll, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like MpSigStub.exe - to follow. These files were created so that multiple programs (eg. Steam) could share the same tier0_s.dll file, saving valuable memory allocation, therefore making your computer run more efficiently.

Unfortunately, what makes DLL files so convenient and efficient, also makes them extremely vulnerable to problems. If something happens to a shared DLL file, either it goes missing or gets corrupted in some way, it can generate a "runtime" error message. Runtime is pretty self-explanatory; it means that these errors are triggered when tier0_s.dll is attempted to be loaded either when Steam is starting up, or in some cases already running. Some of the most common tier0_s.dll errors include:

Access Violation at address - tier0_s.dll.
tier0_s.dll could not be found.
Cannot find C:\Program Files (x86)\Steam\tier0_s.dll.
Cannot register tier0_s.dll.
Cannot start Steam. A required component is missing: tier0_s.dll. Please install Steam again.
Failed to load tier0_s.dll.
The application has failed to start because tier0_s.dll was not found.
The file tier0_s.dll is missing or corrupt.
This application failed to start because tier0_s.dll was not found. Re-installing the application may fix this problem.

Your tier0_s.dll file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Steam), or deleted by a malware infection. Furthermore, tier0_s.dll file corruption could be caused from a power outage when loading Steam, system crash while loading tier0_s.dll, bad sectors on your storage media (usually your primary hard drive), or quite commonly, a malware infection. Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.

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How to Fix tier0_s.dll Errors in 3 Steps (Time to complete: ~5-15 minutes)

If you're encountering one of the error messages above, follow these troubleshooting steps to resolve your tier0_s.dll issue. These troubleshooting steps are listed in the recommended order of execution.

Step 1: Restore your PC back to the latest restore point, "snapshot", or backup image before error occurred.

To begin System Restore (Windows XP, Vista, 7, 8, and 10):

Hit the Windows Start button
When you see the search box, type "System Restore" and press "ENTER".
In the search results, find and click System Restore.
Please enter the administrator password (if applicable / prompted).
Follow the steps in the System Restore Wizard to choose a relevant restore point.
Restore your computer to that backup image.

If the Step 1 fails to resolve the tier0_s.dll error, please proceed to the Step 2 below.

Step 2: If recently installed Steam (or related software), uninstall then try reinstalling Steam software.

You can uninstall Steam software by following these instructions (Windows XP, Vista, 7, 8, and 10):

Hit the Windows Start button
In the search box, type "Uninstall" and press "ENTER".
In the search results, find and click "Add or Remove Programs"
Find the entry for Steam API v018 and click "Uninstall"
Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Steam software.

If this Step 2 fails as well, please proceed to the Step 3 below.

Steam API v018

Valve

Step 3: Perform a Windows Update.

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many tier0_s.dll error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

Hit the Windows Start button
In the search box, type "Update" and press "ENTER".
In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
If updates are available for download, click "Install Updates".
After the update is completed, restart your PC.

If Windows Update failed to resolve the tier0_s.dll error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.

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If Those Steps Fail: Download and Replace Your tier0_s.dll File (Caution: Advanced)

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach (Note: Not recommended for amateur PC users) by downloading and replacing your appropriate tier0_s.dll file version. We maintain a comprehensive database of 100% malware-free tier0_s.dll files for every applicable version of Steam. Please follow the steps below to download and properly replace you file:

Locate your Windows operating system version in the list of below "Download tier0_s.dll Files".
Click the appropriate "Download Now" button and download your Windows file version.
Copy this file to the appropriate Steam folder location:

Windows 10: C:\Program Files (x86)\Steam\
Windows 10: C:\Program Files (x86)\Razer\Razer Services\GMS\SteamCmd\
Restart your computer.

If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows 10.

GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve tier0_s.dll problems. To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process. If you are not currently backing up your data, you need to do so immediately.

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Download tier0_s.dll Files (Malware-Tested 100% Clean)

CAUTION : We strongly advise against downloading and copying tier0_s.dll to your appropriate Windows system directory. Valve typically does not release Steam DLL files for download because they are bundled together inside of a software installer. The installer's task is to ensure that all correct verifications have been made before installing and placing tier0_s.dll and all other DLL files for Steam. An incorrectly installed DLL file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Steam API v018

File Name

Software Version

File Version

Architecture

tier0_s.dll

1.0.0.1

05.56.68.04

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 10
Software:	tier0_s Dynamic Link Library
Software Version:	1.0.0.1
File Version:	05.56.68.04
File Size:	329168
File Date:	12/29/2019
MD5 Checksum:	03d8fc671171b3f2030faff8216488dc
SHA1 Checksum:	23854305b0ebcedf34c54b7daebddc8296306588
SHA256 Checksum:	d1791d92505c6f0afee2c7b15de066e39b747c629645bf8fa57108ea35599693
CRC32:
File Directory Location:	C:\Program Files (x86)\Steam\

File Version, System, and Machine Information
File Type:	Win32 DLL
Image Version:	0.0
Initialized Data Size:	91136
Linker Version:	14.14
Machine Type:	Intel 386 or later, and compatibles
PE Type:	PE32
Subsystem:	Windows GUI
Subsystem Version:	5.1
File Modification Date/Time:	12/29/2019

Razer Cortex 9.0.74.878

File Name

Software Version

File Version

Architecture

tier0_s.dll

1.0.0.1

05.31.67.59

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 10
Software:	tier0_s Dynamic Link Library
Software Version:	1.0.0.1
File Version:	05.31.67.59
File Size:	318752
File Date:	11/05/2019
MD5 Checksum:	a4e5f8620cdd1f03f476e3fa8d827f2e
SHA1 Checksum:	6722b0184bc86728f78a02e38da54c17b4c4813a
SHA256 Checksum:	8b557d71011c04a7e8fdfa5e8962840057f01a51ade1c70f329eeaec2fb2d25e
CRC32:
File Directory Location:	C:\Program Files (x86)\Razer\Razer Services\GM ...

File Version, System, and Machine Information
File Type:	Win32 DLL
Image Version:	0.0
Initialized Data Size:	89600
Linker Version:	14.14
Machine Type:	Intel 386 or later, and compatibles
PE Type:	PE32
Subsystem:	Windows GUI
Subsystem Version:	5.1
File Modification Date/Time:	11/05/2019

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Files Related to tier0_s.dll

DLL Files Related to tier0_s.dll

File Name	Description	Software Program (Version)	File Size (bytes)	File Location
msvcp140_1_app.dll	Microsoft® C Runtime Library _1	Microsoft® Visual Studio® 2017 (14.20.27323.0)	21656	C:\Program Files\Common Files\System\Ole DB\res...
Video.dll	Dynamic Link Library	Steam API v018	2808272	C:\Windows\System32\winevt\Logs\
UpdateRingSettings.dll	Update Ring Settings	Microsoft OneDrive (19.192.0926.0012)	234856	C:\Users\Tester\AppData\Local\
FileSyncShell64.dll	Microsoft OneDrive Shell Extension	Microsoft OneDrive (19.192.0926.0012)	1478712	C:\Users\Tester\AppData\Local\
FileSync.Resources.dll	Microsoft OneDrive	Microsoft OneDrive (19.192.0926.0012)	2312040	C:\Users\Tester\AppData\Local\Microsoft\Windows\

Other Files Related to tier0_s.dll

File Name	Description	Software Program (Version)	File Size (bytes)	File Location
setupact.log	Log	Steam API v018	62521	C:\Windows\Panther\UnattendGC\
SA.DAT	Game Data	Steam API v018	6	C:\WINDOWS\Tasks\
api-ms-win-core-synch-...	ApiSet Stub DLL	Microsoft® Windows® Operating System (10.0.17134.12)	13160	C:\Users\Tester\AppData\Local\Microsoft\OneDriv...
EtwRTEventLog-Applicat...	Microsoft Event Trace Log	Steam API v018	2848	C:\Windows\System32\LogFiles\WMI\RtBackup\
PerfStringBackup.INI	Windows Initialization	Steam API v018	1321920	C:\Windows\System32\

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