libusb-1.0.dll - Analyze and How to Fix Errors

★★★★☆ Verified File (27.08.2026)

⚠️ Important Notice: 0.dll for USB device communication in Windows applications. Essential for developers working with USB hardware. 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	31.08.2018 04:15:06
File version	1.0.22.11315
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	1.2 Mb.	1.2 Mb. bytes.

Hashes:

MD5: 372025acdbd2875750bcb8216cb9bbeb ✅
SHA-1: 879eeb9381f7867debe671af7f1984096826d16f
SHA-256: 7ad62bb80ebd9afcfaf3f9b676d1193a4694b4c9df5006bed911f2cf99cf924a
SHA-512: 809cc01f85e7050e1c23932e508b5e7f6ef02aa2970a6b9fb395ab8c9635cf7a57d852df5be78e0ea457aa3f4877aa41bfe9bcf0db114ba53f1cce3149fbd634

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

File Description: libusb-1.0.dll

libusb-1.0.dll is a dynamic link library file associated with libusb, an open-source library that provides generic access to USB devices. It allows applications to communicate with USB hardware without requiring custom kernel-level drivers.

Common Use Cases: Used by software for gaming controllers, hardware programmers, custom USB peripherals, and device flashing tools.
Is it safe? The legitimate file is completely safe. However, malware can sometimes disguise itself using this name.

Standard File Locations

In a standard Windows environment, this file is typically located in one of the following directories:

64-bit Systems (for 64-bit applications):
C:\Windows\System32
64-bit Systems (for 32-bit applications):
C:\Windows\SysWOW64
Application Directory:
Many programs bundle this file directly in their main installation folder (e.g., C:\Program Files\YourApp\libusb-1.0.dll).

How to Fix libusb-1.0.dll Errors Without Downloading

Downloading DLL files from third-party websites is highly risky and can introduce malware. Use these safe, built-in methods to fix the error instead:

1. Reinstall the Affected Program

If the error occurs when opening a specific app or game, that app's installer likely contains the missing file.

Press Win + I to open Settings.
Go to Apps > Installed apps.
Find the problematic software and click Uninstall.
Restart your computer.
Reinstall the software using its official installer.

2. Run the System File Checker (SFC)

Windows has a built-in tool to repair corrupted or missing system files.

Type cmd in the Windows search bar.
Right-click Command Prompt and select Run as administrator.
Type sfc /scnow and press Enter.
Wait for the scan to finish, then restart your PC.

3. Check the Recycle Bin

The file may have been accidentally deleted.

Open the Recycle Bin on your desktop.
Search for libusb-1.0.dll.
If found, right-click it and select Restore.

4. Update or Reinstall USB Device Drivers

If the error is related to a connected hardware device (like a controller or scanner):

Right-click the Start menu and select Device Manager.
Locate the USB device causing the issue.
Right-click it and select Update driver.
Alternatively, select Uninstall device, unplug the device, restart your PC, and plug the device back in to force a clean driver reinstallation.

📊 Diagnostics Tool: Verify Your `libusb-1.0.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
└── ADVAPI32.dll