43: Sm3255aa Memory Bar Driver
Several tech support scams and adware programs create fake device entries named something like "SM3255AA Memory Bar" to lure users into downloading "Driver 43" — which is actually malware.
Signs of infection:
Removal steps:
Websites claiming to have the "SM3255AA Memory Bar Driver 43 download" are likely fraudulent. They offer a paid scanner or a .exe file that installs adware.
Safe approach:
A: Microsoft changed USB power management in Windows 10/11. The SM3255AA's firmware is from 2012. You need to disable USB selective suspend in Power Options → Advanced → USB settings → Disable.
Follow these methods in order. Do not skip. Each step is designed to be progressive—from simple resets to full firmware reinstallation.
If you landed on this page searching for the "SM3255AA Memory Bar Driver 43," you have likely encountered one of the following scenarios:
The truth is straightforward: No mainstream or reputable hardware manufacturer (Intel, AMD, Realtek, Nvidia, etc.) produces a driver with this exact name. So, what is it? Let’s diagnose. Sm3255aa Memory Bar Driver 43
You unplugged the memory bar while Windows was writing a file or indexing the drive. The SM3255AA controller’s firmware crashed, leaving it in a "hung" state.
If you're modifying or developing the driver, a common requested feature is:
| If your goal is... | Then... | |--------------------|----------| | Fix a USB flash drive error with SM3255AA | Use SM3255AA MP Tool (not "Driver 43") | | Remove a fake driver pop-up | Scan for malware, uninstall unknown devices | | Download a safe driver | Visit your hardware vendor’s official site | | Understand "Memory Bar Driver 43" | Recognize it as a nonexistent or scam term |
Critical warning: Do not download any file that claims to be "SM3255AA Memory Bar Driver 43." It is either useless (for a real SM3255AA device) or malicious. Instead, follow the appropriate solution above based on your actual hardware. Several tech support scams and adware programs create
If you still need help, post a screenshot of Device Manager with the problematic device expanded — but black out any personal info. For genuine USB controller issues, refer to the USB Mass Storage Device driver built into Windows, which is all that is required for SM3255AA chips.
This article is for informational and troubleshooting purposes. Always back up data before attempting firmware tools or mass production utilities on USB drives.
The SM3255AA Memory Bar error (Code 43) indicates that Windows has stopped the device because the Silicon Motion (SMI) controller on your USB flash drive has reported a problem or its firmware is corrupted. This often happens with older flash drives, like those from Silicon Power or Transcend. Step 1: Basic Troubleshooting
Before attempting advanced firmware repairs, try these standard Windows fixes: Removal steps: Websites claiming to have the "SM3255AA
Silicon Power 4 Gb Нужна помощь в восстановлении данных