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mysql.uno.dll - Analyze and How to Fix Errors

★★★★☆ Verified File (27.08.2026)

⚠️ Important Notice: Discover MySQL UNO DLL functions and integrations for seamless database management. Optimize your application with our detailed guide. 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 date08.10.2025 22:43:47
File version4.1.9816.500
Antivirus scan✅ Clean No viruses detected.
Digital signature🟡 Not signedSignature missing. The file may have been modified.
Hash Integrity✅ MD5: VerifiedFile Hash protection is missing.
File size175.5 kb.179712 bytes.

Hashes:

MD5: 99a61c72ea4537377c06daaa8bcf8168 ✅
SHA-1: 5e5dc4f5d5f6b2481f0eaf0c4c14dd9377b56415
SHA-256: 9a4c9e10a76e3bdf62e8d8872457d5774fd355b546a0b739b8906263695ad5e6
SHA-512: 23e79d25cc97540c7308b65fe5df9122bdfe72d03d9dc15a95773d4bc97aec3785e1a16e3b6754b4ad99848ce69c4e38ab46f34fa6a0ff8d91358ceba2624f78

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

How to Fix mysql.uno.dll Error Without Downloading File

You can fix the mysql.uno.dll error without downloading risky DLL files from the internet by repairing MySQL Workbench or reinstalling its core Visual C++ prerequisites. This error occurs because the file is corrupted or its dependent runtime libraries are missing.

Method 1: Repair MySQL Workbench via Control Panel

The safest way to restore the missing DLL is to use the built-in application repair tool.

  1. Open the Control Panel on Windows.
  2. Click Programs and Features.
  3. Find MySQL Workbench in the list and click it.
  4. Select Repair (or click Change then choose Repair).
  5. Follow the on-screen prompts and restart your PC.

Method 2: Repair Microsoft Visual C++ Redistributable

mysql.uno.dll relies heavily on Microsoft Visual C++ system files. Repairing them usually registers the DLL correctly.

  1. Go back to Programs and Features in the Control Panel.
  2. Locate the Microsoft Visual C++ Redistributable packages (specifically 2015-2022 x64/x86).
  3. Right-click the package and choose Change.
  4. Click the Repair button.
  5. Repeat for both x86 and x64 versions, then restart your system.

Method 3: Re-register the DLL File

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

  1. Press the Windows Key, type cmd, right-click it, and choose Run as administrator.
  2. Type the following command and press Enter:
    regsvr32 /u mysql.uno.dll
  3. Then type this command to re-register it and press Enter:
    regsvr32 mysql.uno.dll

Method 4: Run System File Checker (SFC)

If system dependencies are corrupted, Windows can fix them automatically.

  1. Open Command Prompt as Administrator.
  2. Run the following command:
    sfc /scannow
  3. Wait for the scan to hit 100% and restart your computer.

If you are still experiencing the error after these steps, please let me know:

  • What version of MySQL Workbench or application you are trying to launch.
  • The exact error message or code displayed on your screen.

📊 Diagnostics Tool: Verify Your mysql.uno.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.

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cppu3.dll
├── cppuhelper3MSC.dll
├── sal3.dll
└── dbtools.dll

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