amddlg.dll - Analyze and How to Fix Errors

★★★★☆ Verified File (27.08.2026)

⚠️ Important Notice: Discover solutions and troubleshooting tips for amddlg.dll errors and issues. Essential guide for system administrators and users. Manually replacing system libraries can brick future Windows updates or cause critical system failures.

Architecture:	32-bit (x86)	Compatible with 32 and 64-bit Windows
Creation date	03.04.2003 00:13:12
File version	2.0.2.1
Antivirus scan	✅ Clean	No viruses detected.
Digital signature	🟡 Not signed	Signature missing. The file may have been modified.
Hash Integrity	✅ MD5: Verified	File Hash protection is missing.
File size	13 kb.	13312 bytes.

Hashes:

MD5: cf55552f14ba6cbb13acbc87d7716d8c ✅
SHA-1: 06b2cfd910b8d3df91776543d4565107cb592bf2
SHA-256: 3a09ed11c575acc75eb3ec21b5975ae8447e231856f8b57ffcf46d643a7a5f3d
SHA-512: d7149de3f08ab3ae8d775b110819f667221206a50a7d63cefd643bf06f5f6c89dad28f4c5d45864de53f6cc8474bfca41bbb9b7905b7d5bebb4662f20be8d1e8

✅ This file is compatible with 32-bit Windows and can run on ✅ 64-bit Windows (via the WOW64 subsystem).

What is amddlg.dll?

amddlg.dll is a dynamic link library file associated with AMD (Advanced Micro Devices) graphics card drivers. It specifically handles dialog boxes, user interface elements, and configuration settings within the AMD Radeon Software or Catalyst Control Center.

Standard File Location

You can typically find this file in one of the following directories:

C:\Windows\System32\ (for 64-bit systems running 64-bit AMD processes)
C:\Windows\SysWOW64\ (for 64-bit systems running 32-bit AMD processes)
C:\Program Files\AMD\ (or within specific AMD driver subfolders)

How to Fix amddlg.dll Errors Without Downloading

Do not download individual .dll files from third-party websites, as they often contain malware or outdated versions. Instead, use these built-in system methods to fix the error:

1. Run SFC and DISM Scans

Windows has built-in tools to repair corrupted or missing system files automatically.

Press the Windows Key, type cmd.
Right-click Command Prompt and select Run as administrator.
Type sfc /scannow and press Enter. Wait for it to finish.
Next, type DISM /Online /Cleanup-Image /RestoreHealth and press Enter.
Restart your computer.

2. Re-register the DLL File

If the file exists but Windows cannot read it, you can re-register it via the Command Prompt.

Open Command Prompt as an administrator.
Type regsvr32 /u amddlg.dll and press Enter (this unregisters the file).
Type regsvr32 amddlg.dll and press Enter (this re-registers the file).
Restart your PC.

3. Perform a Clean Boot

Interference from background applications can trigger this error. A clean boot helps isolate the problem.

Press Win + R, type msconfig, and press Enter.
Go to the Services tab.
Check Hide all Microsoft services, then click Disable all.
Go to the Startup tab and click Open Task Manager.
Disable all startup items.
Restart your PC. If the error disappears, enable services one by one to find the culprit.

4. Roll Back Your Graphics Driver

If the error started after a recent Windows or driver update, rolling back to a stable version can resolve it.

Right-click the Start Menu and select Device Manager.
Expand Display adapters.
Right-click your AMD graphics card and select Properties.
Go to the Driver tab.
Click Roll Back Driver (if available) and follow the prompts.

📊 Diagnostics Tool: Verify Your `amddlg.dll` File

Worried that the file on your PC has been modified by malware? Drop it into the form below. Our script will verify its file size, cryptographic hash (MD5/SHA-1), and check for a valid Microsoft digital signature.

Connected files:
KERNEL32.dll
├── USER32.dll
├── ADVAPI32.dll
└── amddlg.dll

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