Valve Steam DLL vstdlib_s64.dll

Vstdlib_s64.dll - Download and Fix DLL Errors

Last Updated: 12/15/2024
[Time Needed for Reading: ~4-6 minutes]

vstdlib_s64.dll uses the DLL file extension, which is more specifically known as a vstdlib_ s.dll file. It is classified as a Win64 DLL (Dynamic link library) file, created for Steam by Valve.

vstdlib_s64.dll was first developed on 11/05/2014 for the Windows 10 Operating System in Steam API v018. This is the most recent release date from Valve, according to our records.

In this article, you will find detailed vstdlib_s64.dll information, a DLL file troubleshooting guide, and a list of versions that are available for free download.

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File Overview


General Information ✻
File Name: vstdlib_s64.dll
File Extension: DLL file extension
Description: vstdlib_ s.dll
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: Steam
Legal Copyright: Copyright (C) 2005 Valve Corporation
File Details
Character Set: Unicode
Language Code: English (U.S.)
File Flags: (none)
File Flags Mask: 0x0017
Entry Point: 0x23214
Code Size: 256000
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What are vstdlib_s64.dll Error Messages?


Dynamic Link Library vstdlib_s64.dll Errors

vstdlib_s64.dll is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like vstdlib_s64.dll, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like FileCoAuth.exe - to follow. These files were created so that multiple programs (eg. Steam) could share the same vstdlib_s64.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 vstdlib_s64.dll is attempted to be loaded either when Steam is starting up, or in some cases already running. Some of the most common vstdlib_s64.dll errors include:

Your vstdlib_s64.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, vstdlib_s64.dll file corruption could be caused from a power outage when loading Steam, system crash while loading vstdlib_s64.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 vstdlib_s64.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 vstdlib_s64.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):

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

If the Step 1 fails to resolve the vstdlib_s64.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):

  1. Hit the Windows Start button
  2. In the search box, type "Uninstall" and press "ENTER".
  3. In the search results, find and click "Add or Remove Programs"
  4. Find the entry for Steam API v018 and click "Uninstall"
  5. 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 vstdlib_s64.dll error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

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

If Windows Update failed to resolve the vstdlib_s64.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 vstdlib_s64.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 vstdlib_s64.dll file version. We maintain a comprehensive database of 100% malware-free vstdlib_s64.dll files for every applicable version of Steam. Please follow the steps below to download and properly replace you file:

  1. Locate your Windows operating system version in the list of below "Download vstdlib_s64.dll Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate Steam folder location:
    Windows 10: C:\Program Files (x86)\Steam\
  4. 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 vstdlib_s64.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 vstdlib_s64.dll Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying vstdlib_s64.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 vstdlib_s64.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.

Windows 10
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Files Related to vstdlib_s64.dll


DLL Files Related to vstdlib_s64.dll

File Name Description Software Program (Version) File Size (bytes) File Location
VkLayer_unique_objects... Dynamic Link Library Steam API v018 2407376 C:\WINDOWS\system32\dllcache\
libavformat-57.dll Dynamic Link Library Steam API v018 811984 C:\Windows\Prefetch\
openvr_api.dll Dynamic Link Library Steam API v018 266560 C:\Program Files\WindowsApps\Microsoft.ZuneMusi...
api-ms-win-crt-heap-l1... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.18362.1) 12240 C:\Users\Tester\AppData\Local\
FileSyncApi64.dll Microsoft OneDrive File Information Provider Extension Microsoft OneDrive (19.192.0926.0012) 1286712 C:\Users\Tester\AppData\Local\

Other Files Related to vstdlib_s64.dll

File Name Description Software Program (Version) File Size (bytes) File Location
marlett.ttf TrueType Font Steam API v018 6136 C:\Program Files (x86)\Steam\resource\fonts\
WmiApRpl.h C/C++/Objective-C Header Steam API v018 3444 C:\Windows\System32\wbem\Performance\
diagwrn.xml Extensible Markup Language Steam API v018 5718 C:\Windows\System32\Sysprep\Panther\
api-ms-win-core-synch-... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.17134.12) 13160 C:\Users\Tester\AppData\Local\Microsoft\OneDriv...
api-ms-win-core-synch-... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.18362.1) 13264 C:\Program Files (x86)\Steam\bin\cef\cef.win7x64\


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