vcommusb.dll - Analyze and How to Fix Errors

⚠️ Important Notice: Discover details about vcommusb.dll, its function, and common issues. Essential for system administrators and tech enthusiasts. Manually replacing system libraries can brick future Windows updates or cause critical system failures.

Architecture:	64-bit (x64)	Compatible with only 64-bit Windows
Creation date	16.06.2010 11:09:31
File version	1.0.0.38
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	30.9 kb.	31656 bytes.

Hashes:

MD5: acc681ccc1d925b1bc3a15037e1137c0 ✅
SHA-1: 1c3b946d11d9840adb5a9c8f9f283ed8b204e577
SHA-256: 6a9e4698ad5c25a0cd66ef5af0bc420b5a091bde2c4d2eb565cb410a2043c63f
SHA-512: 8d289f45e561fafe3faa1dbeb0bab9384787998802ed90a28c458821940ac9c2a754cb4b0234e43a0beefec2231e056668e3c56731c720a3f48fb5ab44fcdfe7

Digital file signature vcommusb.dll ✅

✅ This file is compatible with 64-bit Windows and ❌ will not work on a 32-bit operating system.

The file vcommusb.dll is a dynamic link library (DLL) file associated with Viao Communication USB or specific third-party USB driver installations (often used by mobile device flashing tools, virtual serial ports, or specialized USB hardware communications).

Standard File Location

• 64-bit systems (for 64-bit DLL): C:\Windows\System32\
• 64-bit systems (for 32-bit DLL): C:\Windows\SysWOW64\
• Application Folder: Alternatively, it can reside directly inside the installation folder of the software that requires it (e.g., MediaTek/MTK flash tools, Smart Phone Flash Tool, or specialized USB modem software).

How to Fix vcommusb.dll Errors (Without Downloading)

1. Reinstall the Associated Software

• Open the Windows Settings app.
• Navigate to Apps > Installed apps.
• Locate the program causing the error (e.g., SP Flash Tool, MTK drivers, or specialized USB software).
• Click Uninstall.
• Restart your computer.
• Reinstall the program using its official original installer.

2. Restore from the Recycle Bin

• Open the Recycle Bin on your desktop.
• Search for vcommusb.dll in the search bar.
• Right-click the file if found.
• Select Restore to return it to its original location.

3. Run SFC and DISM Tools

• Right-click the Start menu button.
• Select Terminal (Admin) or Command Prompt (Admin).
• Type sfc /scannow and press Enter.
• Wait for the verification to reach 100%.
• Type DISM /Online /Cleanup-Image /RestoreHealth and press Enter.
• Restart your system.

4. Update or Reinstall USB Drivers

• Right-click Start and select Device Manager.
• Expand the Universal Serial Bus controllers or Ports (COM & LPT) section.
• Look for any device with a yellow warning triangle.
• Right-click the device and select Update driver.
• Choose Search automatically for drivers.
• If that fails, right-click the device, select Uninstall device, and restart your PC to let Windows reinstall it.

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📊 Diagnostics Tool: Verify Your vcommusb.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:
msvcrt.dll
├── KERNEL32.dll
└── ADVAPI32.dll

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