usbblstr32.dll - Analyze and How to Fix Errors

⚠️ Important Notice: dll fix tool. Resolve USB device errors quickly and easily. 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	03.09.2014 10:06:19
File version	3.2.9.0
Antivirus scan	✅ Clean	No viruses detected.
Digital signature	✅ Have signed	File have signature, it is original file.
Hash Integrity	✅ MD5: Verified	File Hash protection is missing.
File size	258.8 kb.	265040 bytes.

Hashes:

MD5: ccb32c65b15b26962fa04aabbe43fc21 ✅
SHA-1: 83224354e6e1bf50476b4ea7a8af6ed8c88ec8b7
SHA-256: a8d811d375b74b6d0514255557bc5991865a468dcead569bd45ae14b7464a37a
SHA-512: 3a05888c1f5633ba9d74c24c7dbc4383c52af56d14214056115eb6ccb3b09f6b74da47df32fec015ed4ceab7ed9afdb34950e72259acc7bddd216d8197355b44

Digital file signature usbblstr32.dll ✅

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

File Description: usbblstr32.dll

File Profile

• Name: usbblstr32.dll
• Type: Dynamic Link Library (DLL)
• Function: Driver file for Altera USB-Blaster hardware download cables.
• Association: Intel/Altera Quartus Prime design software.
• Role: Enables communication between computers and FPGA/CPLD development boards.

Standard File Location

• Default Directory: C:\intelFPGA\<version>\quartus\drivers\usb-blaster\x32\
• Alternative Directory: C:\altera\<version>\quartus\drivers\usb-blaster\

---

How to Fix usbblstr32.dll Errors Without Downloading

Do not download individual DLL files from third-party websites. They often contain malware or outdated code. Use these safe internal methods instead:

Method 1: Reinstall the USB-Blaster Driver Manually

1. Open Device Manager (Press Win + X and select Device Manager).
2. Connect your Altera USB-Blaster cable to the PC.
3. Locate Altera USB-Blaster (often under "Other devices" with a yellow warning triangle).
4. Right-click it and choose Update driver.
5. Select Browse my computer for drivers.
6. Click Browse and navigate to your local Intel/Altera directory (e.g., C:\intelFPGA\).
7. Check the box for Include subfolders and click Next.
8. Windows will automatically find and restore usbblstr32.dll from the installation repository.

Method 2: Repair the Quartus Prime Installation

1. Open the Windows Control Panel.
2. Click on Programs and Features.
3. Find your Intel/Altera Quartus Prime software in the list.
4. Right-click the software name and select Uninstall/Change.
5. Choose the Repair option within the setup wizard.
6. Let the wizard replace missing or corrupted driver files automatically.

Method 3: Run Deployment Image Servicing and Management (DISM)

If the DLL error stems from corrupted Windows driver caches, use the system repair tools:

1. Type cmd in the Windows search bar.
2. Right-click Command Prompt and select Run as administrator.
3. Type DISM.exe /Online /Cleanup-image /Restorehealth and press Enter.
4. Wait for the process to finish.
5. Restart your computer.

---

📊 Diagnostics Tool: Verify Your usbblstr32.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:
SETUPAPI.dll
├── KERNEL32.dll
├── USER32.dll
└── ADVAPI32.dll

Future Technology Devices International Ltd