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usbblstrlang.dll - Analyze and How to Fix Errors

★★★★★ Verified File (27.08.2026)

Description


Creation date: 03.09.2014 10:06:52
File version: 1.5.2.1
Antivirus scan: ✅ OK
Category: System
File size: 259.8 kb.
Architecture: 64-bit (x64)
✅ This file is compatible with 64-bit Windows and ❌ will not work on a 32-bit operating system.
How to determine your system architecture: Press keys Win+R , enter symbols wmic os get osarchitecture , press Enter.

Digital file signature usbblstrlang.dll

Publisher: Future Technology Devices International Ltd
Issuer: VeriSign Class 3 Code Signing 2010 CA
Encryption algorithm: SHA1
Time stamp: Sep 3 08:06:56 2014 GMT

The file "usbblstrlang.dll" is a Dynamic Link Library (DLL) used in Windows. DLL files are critical components that enable various applications and system components to share code and data, enhancing performance and reducing disk space.

MD5: 4bea07eda657e57c09218cff6372ef06
SHA-1: fae3eb6cb0128a9673495a54262a021fe62a614f
SHA-256: a557423c2073225f6035a106ea5eddda9f796bf4fb7f137bac7d67eb648cab2b

Where It Is Used

This specific DLL is likely related to FTDI drivers or software. FTDI (Future Technology Devices International) manufactures USB-to-serial converters and other hardware used in communication applications. The "usbblstrlang.dll" file might be part of the driver suite for these devices, aiding in their proper functioning within Windows environments.

Errors Related to usbblstrlang.dll

If this DLL is missing or corrupted, you may encounter errors such as "usbblstrlang.dll not found," "missing usbblstrlang.dll," or "error loading usbblstrlang.dll." These issues can occur when the file has been deleted accidentally, becomes corrupt, or if the FTDI software is outdated.

File Security

The DLL characteristics indicate that it's safe and trusted. The "HighEntropyVA" and "NX-Compatible" attributes suggest that this file has modern security features, which make it less likely to be malicious. However, if you are unsure or encounter unexpected behavior, it is always advisable to verify the source of any downloaded files.

usbblstrlang.dll was not found
The code execution cannot proceed because usbblstrlang.dll was not found
Failed to load usbblstrlang.dll
The procedure entry point ... could not be located in usbblstrlang.dll

1.
2a. 👉 Try to copy usbblstrlang.dll C:\Program Files\Your program\
2b. Also try to copy to bin, lib folders.
2c. Try to copy usbblstrlang.dll C:\Program Files (x86)\Your program\
👉 Before you replace any files, make sure to back them up.
How do I switch to the current Windows directory?
- Press and hold the key "win" on the keyboard and press the key "r" , then write %windir% and press the key Enter.
How to switch to the directory Program Files (x86) ?
- Press Win+R then enter %ProgramFiles(x86)% and after press Enter.

How to Fix Errors

To resolve issues with "usbblstrlang.dll," follow these steps:

  1. Reinstall the program: Sometimes, reinstalling the application that uses this DLL can fix any missing or corrupted files.
  2. Update Windows: Ensure your operating system is up to date. This often includes security patches and improvements that affect file handling.
  3. Manually replace usbblstrlang.dll: If you have a backup of the original file, you can manually replace it. Downloading from official sources or using the provided data for verification is recommended.

FAQ

Q: Can usbblstrlang.dll be a virus?

A: No, based on its characteristics and use in trusted software, it is highly unlikely to be malicious. However, always exercise caution when dealing with system files.

Conclusion

The "usbblstrlang.dll" file plays a vital role in ensuring the proper functioning of FTDI devices on Windows systems. Properly addressing any issues related to this DLL can help maintain system stability and performance.


usbblstrlang.dll Information and Troubleshooting Guide

File Description

The file usbblstrlang.dll is a dynamic link library (DLL) associated with the Altera USB-Blaster hardware driver.

  • Purpose: It handles language-specific resources and localization strings for the USB-Blaster download cable software.
  • Associated Software: Intel Quartus Prime (formerly Altera Quartus II) development software, used for programming FPGAs and CPLDs.

Standard File Location

Depending on your software version and installation architecture (32-bit or 64-bit), the file is typically located in one of the following directories:

  • Quartus Prime / Quartus II Installation Directory: C:\intelFPGA\<version>\quartus\drivers\usb-blaster\ (Note: <version> represents your specific version number, e.g., 18.1 or 20.1)
  • Windows Driver Store (if installed): C:\Windows\System32\DriverStore\FileRepository\ (inside the specific Altera driver subfolder)

How to Fix usbblstrlang.dll Errors Without Downloading

You do not need to download this file from third-party DLL sites, which are often unsafe. Follow these steps to restore the file using your existing system files:

1. Reinstall the Driver via Device Manager

The safest way to restore the missing DLL is to force Windows to reinstall the official driver files already present in your Quartus installation folder.

  1. Connect your USB-Blaster hardware to the computer.
  2. Right-click the Windows Start button and select Device Manager.
  3. Locate Altera USB-Blaster (it may have a yellow exclamation mark under Other devices or Universal Serial Bus controllers).
  4. Right-click it and choose Update driver.
  5. Select Browse my computer for drivers.
  6. Click Browse and navigate to your local Quartus driver folder: C:\intelFPGA\<your version>\quartus\drivers\usb-blaster
  7. Check the box for Include subfolders and click Next. Windows will copy the missing .dll file from your installation files.

2. Run the Device Installer Directly

Quartus includes a built-in driver installer executable that can repair corrupted configurations.

  1. Open Windows File Explorer.
  2. Navigate to: C:\intelFPGA\<your version>\quartus\drivers\
  3. Locate the folder for your system architecture (e.g., w64 for 64-bit Windows or w32 for 32-bit Windows).
  4. Right-click dpinst.exe and select Run as administrator.
  5. Follow the on-screen prompts to reinstall and repair the drivers.

3. Restore from the Recycle Bin

If the error started happening suddenly, the file might have been accidentally deleted.

  1. Open the Recycle Bin on your desktop.
  2. Search for usbblstrlang.dll in the top-right search bar.
  3. If found, right-click the file and click Restore.

To help pinpoint the issue, could you tell me what software you are trying to open when this error appears, and what specific error message is displayed on your screen?

Other versions:
️ usbblstrlang.dll 1.5.2.1 32-bit (x86)
Future Technology Devices International Ltd