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Manual Guidance
Security Analysis
Safety Score (informational)
95% Safe
Risk score: 1/3 · Checked by WinLibrary Engine
What is aclui.dll?
This page provides common aclui.dll error messages, safe troubleshooting steps, and informational file metadata to help you diagnose issues on Windows 10/11.
In simple terms, aclui.dll is a Dynamic Link Library (DLL) that allows Windows and software to load specific functions at run time. Many components depend on it, so a broken copy can trigger repeated errors.
Common Error Messages
- Bad Image: aclui.dll is either not designed to run on Windows or it contains an error.
- aclui.dll is missing from your computer.
- The program can’t start because aclui.dll is missing.
- The code execution cannot proceed because aclui.dll was not found.
Example: Bad Image: aclui.dll is either not designed to run on Windows or it contains an error.
Possible Causes
- Security software quarantined a file with the same name.
- Disk errors, abrupt shutdowns, or failing storage corrupted the file.
- A Windows update or driver update did not complete correctly.
How to Fix Missing Error?
- Restart the PC and retry the action that triggers the error.
- Open an elevated Command Prompt and run: sfc /scannow
- Reinstall the application or driver that is related to the error.
- If needed, run: DISM /Online /Cleanup-Image /RestoreHealth
- Run Windows Update and reboot.
Note: The metadata shown here is informational and may not match your exact system. For critical system components, prefer official sources and Windows repair tools.
Technical Details
| Original Filename | aclui.dll |
|---|---|
| Publisher | Microsoft |
| File Type | Dynamic Link Library (DLL) |
| Version | 11.98.1327.2816 |
| File Size | |
| Architecture | x64 |
| Last updated | 2026-05-25 |
| Default location | C:\Windows\System32 |
| Downloads | 1,772,814 |
| Rating | 4.2 / 5 (8,031 reviews) |
| SHA-256 Hash | f39a15dbcd540b7849f92ad0ccd8f6637fd110863f330523cd1b239ab41549ab |
| MD5 Hash | 388d908a97e0de8865d20e71e93dd526 |
| Digital signature | Valid · Microsoft Windows |
FAQ
- Is aclui.dll a virus?
Legitimate system components can share names with malware. Verify the file path (C:\Windows\System32), check signatures, and scan the system if you suspect an infection. - Where is aclui.dll located?
Typical default locations include C:\Windows\System32. The actual path depends on the software that installed it. - Can I download aclui.dll from the internet?
Use only trusted sources. If you are unsure, reinstall the related app/driver or use Windows repair tools instead of copying random files. - What usually causes aclui.dll errors?
Most issues come from corruption, version mismatch, deletion/quarantine by security software, or an incomplete update.