Overview of api-ms-win-ntuser-dc-access-l1-1-0.dll The "api-ms-win-ntuser-dc-access-l1-1-0.dll" file is a system file that is part of the Windows operating system.
Overview of api-ms-win-ntuser-dc-access-l1-1-0.dll
The "api-ms-win-ntuser-dc-access-l1-1-0.dll" file is a system file that is part of the Windows operating system. It is one of the ApiSet Schema DLLs, which are designed to improve the compatibility and extensibility of the Windows API. These DLLs help the operating system to efficiently manage API calls and are part of a larger effort to create a more modular and maintainable Windows architecture.
File Details
- Full Name and Purpose: The full name of the file is "api-ms-win-ntuser-dc-access-l1-1-0.dll". It plays a role in handling specific API calls related to user interface components and desktop access.
- Location: This DLL is typically located in the
C:\Windows\System32
directory.
- Publisher: The file is published by Microsoft Corporation, as part of the Windows operating system.
Importance and Safety
It is crucial to keep this file intact as it is a part of the system files that ensure the proper functioning of Windows. Deleting or tampering with this file can lead to system instability or malfunctioning of certain applications.
Common Issues and Security Concerns
- Missing or Corrupted File: Sometimes, users may encounter errors indicating that this DLL is missing or corrupted. This can occur due to malware, accidental deletion, or system file corruption.
- Security Concerns: While this file itself is not a security threat, malware can sometimes disguise itself using similar names. It is always recommended to ensure that any such file is located in the legitimate
System32
directory and to run regular antivirus scans.
How to Fix 'api-ms-win-ntuser-dc-access-l1-1-0.dll is Missing' Errors
- Run System File Checker: Use the System File Checker tool to repair missing or corrupted system files.
- Open Command Prompt as an administrator.
- Type
sfc /scannow
and press Enter.
- Wait for the process to complete and follow any on-screen instructions.
- Perform Windows Update: Ensure your system is up to date, as Windows Update may replace or repair missing or corrupted system files.
- Use System Restore: If the error started recently, you might be able to resolve it by performing a system restore to a point when your system was functioning correctly.
- Reinstall Affected Applications: If a specific application is causing the error, try reinstalling it to replace any missing or corrupted files.
- Check for Malware: Run a full system scan using a reputable antivirus program to ensure that the error is not caused by malware.