Repair and Download RTL8187B.sys (Fix BSOD Errors)

Last Updated: 11/27/2023
[Time Required for Reading: 3.5 minutes]

RTL8187B.sys uses the SYS file extension, which is more specifically known as a Realtek RTL8187B NDIS Driver file. It is classified as a Win64 EXE (Driver) file, created for Realtek RTL8187B Wireless USB 2.0 Adapter by Realtek Semiconductor.

RTL8187B.sys was first released for Windows 7 Operating System on 07/22/2009 with Windows 7. The latest version update [v6.1135.0625.2008 built by: WinDDK] for Realtek RTL8187B Wireless 802.11b/g 54Mbps USB 2.0 Network Adapter was 2015-10-28 released on 05/31/2019. RTL8187B.sys is included in Windows 10, Windows 8.1, and Windows 8 versions.

Continue reading below to discover detailed file information, SYS file troubleshooting, and free downloads of several versions of RTL8187B.sys.

File Analysis Provided by Jason Geater (Author)


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File Overview


General Information
File Name: RTL8187B.sys
File Extension: SYS file extension
Description: Realtek RTL8187B NDIS Driver
Object File Type: Driver
File Operating System: Windows NT 32-bit
MIME Type: application/octet-stream
User Popularity Rating:
 
Developer and Software Information
Software Developer: Realtek Semiconductor Corporation
Software Program: Realtek RTL8187B Wireless USB 2.0 Adapter
Legal Copyright: Copyright (C) 2008 Realtek Semiconductor Corporation
File Details
Character Set: Unicode
Language Code: English (U.S.)
File Flags: Private build
File Flags Mask: 0x003f
Entry Point: 0x5441c
Code Size: 345600


What are RTL8187B.sys Error Messages?


RTL8187B.sys Blue Screen of Death (BSOD) Errors

There are a number of reasons why you could be encountering issues with RTL8187B.sys. Most of the issues concerning sys files involve Blue Screen of Death (BSOD) errors. These types of RTL8187B.sys errors can be cause by hardware problems, outdated firmware, corrupt drivers, or other software-related (eg. Realtek RTL8187B Wireless 802.11b/g 54Mbps USB 2.0 Network Adapter update) issues. Some of these errors include:

A problem has been detected and Windows has been shut down to prevent damage to your computer. The problem seems to be caused by the following file: RTL8187B.sys.

:( Your PC ran into a problem that it couldn't handle, and now needs to restart. You can search for the error online: [BSOD] (RTL8187B.sys).

<strong>STOP 0x0000007E: SYSTEM THREAD EXCEPTION NOT HANDLED (RTL8187B.sys)</strong><br /><strong>STOP 0x0000000A: IRQL NOT LESS EQUAL (RTL8187B.sys)</strong><br /><strong>STOP 0×0000007A: KERNEL DATA INPAGE (RTL8187B.sys)</strong><br /><strong>STOP 0x0000003B: SYSTEM SERVICE EXCEPTION (RTL8187B.sys)</strong><br /><strong>STOP 0x00000050: PAGE FAULT IN A NONPAGED AREA (RTL8187B.sys)</strong><br /><strong>STOP 0x0000001E: KMODE EXCEPTION NOT HANDLED (RTL8187B.sys)</strong>

It's Critical to Resolve Blue Screen of Death Errors

In the majority of cases, you will encounter RTL8187B.sys BSOD errors after you've installed new hardware, software (Realtek RTL8187B Wireless 802.11b/g 54Mbps USB 2.0 Network Adapter), or performed a failed Windows Update. In other cases, software corruption caused by a malware infection can lead to RTL8187B.sys Blue Screen of Death errors. Therefore, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.


GEEK TIP : As a rule of thumb, it's always a good idea to create a Windows "Snapshot" backup / System Restore Point before making any hardware or software changes to your computer. That way, it's very easy to restore your system in the unfortunate event you encounter a RTL8187B.sys Blue Screen of Death error after recent changes.



How to Fix RTL8187B.sys Errors in 3 Steps (Time to complete: ~5-15 minutes)

If you're encountering one of the error messages above, follow these troubleshooting steps to resolve your RTL8187B.sys issue. These troubleshooting steps are listed in the recommended order of execution.


Step 1: Restore your PC back to the latest restore point, "snapshot", or backup image before error occurred.

To begin System Restore (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. When you see the search box, type "System Restore" and press "ENTER".
  3. In the search results, find and click System Restore.
  4. Please enter the administrator password (if applicable / prompted).
  5. Follow the steps in the System Restore Wizard to choose a relevant restore point.
  6. Restore your computer to that backup image.

If the Step 1 fails to resolve the RTL8187B.sys error, please proceed to the Step 2 below.

Step 2: If recently installed Realtek RTL8187B Wireless 802.11b/g 54Mbps USB 2.0 Network Adapter (or related software), uninstall then try reinstalling Realtek RTL8187B Wireless 802.11b/g 54Mbps USB 2.0 Network Adapter software.

You can uninstall Realtek RTL8187B Wireless 802.11b/g 54Mbps USB 2.0 Network Adapter software by following these instructions (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. In the search box, type "Uninstall" and press "ENTER".
  3. In the search results, find and click "Add or Remove Programs"
  4. Find the entry for Realtek RTL8187B Wireless 802.11b/g 54Mbps USB 2.0 Network Adapter 2015-10-28 and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Realtek RTL8187B Wireless 802.11b/g 54Mbps USB 2.0 Network Adapter software.

If this Step 2 fails as well, please proceed to the Step 3 below.

Realtek RTL8187B Wireless 802.11b/g 54Mbps USB 2.0 Network Adapter 2015-10-28

Realtek Semiconductor

Step 3: Perform a Windows Update.

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many RTL8187B.sys error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

  1. Hit the Windows Start button
  2. In the search box, type "Update" and press "ENTER".
  3. In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
  4. If updates are available for download, click "Install Updates".
  5. After the update is completed, restart your PC.

If Windows Update failed to resolve the RTL8187B.sys error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.



If Those Steps Fail: Download and Replace Your RTL8187B.sys File (Caution: Advanced)

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach (Note: Not recommended for amateur PC users) by downloading and replacing your appropriate RTL8187B.sys file version. We maintain a comprehensive database of 100% malware-free RTL8187B.sys files for every applicable version of Realtek RTL8187B Wireless 802.11b/g 54Mbps USB 2.0 Network Adapter. Please follow the steps below to download and properly replace you file:

  1. Locate your Windows operating system version in the list of below "Download RTL8187B.sys Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate Realtek RTL8187B Wireless 802.11b/g 54Mbps USB 2.0 Network Adapter folder location:
    Windows 7: C:\Windows\System32\DriverStore\FileRepository\net8187bv64.inf_amd64_neutral_d9eee378245b3b8b\
    Windows 8: C:\Windows\System32\DriverStore\FileRepository\net8187bv32.inf_x86_4133912759f4531a\
    Windows 8.1: C:\Windows\System32\DriverStore\FileRepository\net8187bv32.inf_x86_2366a1ce78c15573\
    Windows 10: C:\WINDOWS\system\
    Windows 10: C:\Windows\System32\drivers\
    Show 5 more directories +
    Windows 10: C:\Program Files (x86)\REALTEK RTL8187B Wireless LAN Driver\Driver\
    Windows 10: C:\Windows\OPTIONS\CABS\
    Windows 10: C:\3DP\Net\Realtek\8187B\764\
    Windows 10: C:\3DP\Net\Realtek\8187B\732\
    Windows 10: C:\Windows\System32\DriverStore\FileRepository\net8187bv32.inf_x86_6e8b9c762f10d047\
  4. Restart your computer.

If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows 10.


GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve RTL8187B.sys problems. To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process. If you are not currently backing up your data, you need to do so immediately.



Download RTL8187B.sys Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying RTL8187B.sys to your appropriate Windows system directory. Realtek Semiconductor typically does not release Realtek RTL8187B Wireless 802.11b/g 54Mbps USB 2.0 Network Adapter SYS files for download because they are bundled together inside of a software installer. The installer's task is to ensure that all correct verifications have been made before installing and placing RTL8187B.sys and all other SYS files for Realtek RTL8187B Wireless 802.11b/g 54Mbps USB 2.0 Network Adapter. An incorrectly installed SYS file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 10
Windows 8.1
Windows 8
Windows 7


Files Related to RTL8187B.sys


SYS Files Related to RTL8187B.sys

File Name Description Software Program (Version) File Size (bytes) File Location
RTL8187B.sys Realtek RTL8187B NDIS Driver Realtek RTL8187B Wireless USB 2.0 Adapter (6.1135.0625.2008) 402944 C:\Windows\Fonts\

Other Files Related to RTL8187B.sys

File Name Description Software Program (Version) File Size (bytes) File Location
setuperr.log Log Realtek High Definition Audio Codec (Windows 7 / 8/ 8.1/ 10 64-bit) R2.82 5179 C:\Windows\Panther\NewOs\Panther\
setuperr.log Log Realtek High Definition Audio Codec (Windows 7 / 8/ 8.1/ 10 64-bit) R2.82 146 C:\$WINDOWS.~BT\Sources\Panther\
setuperr.log Log Realtek High Definition Audio Codec (Windows 7 / 8/ 8.1/ 10 64-bit) R2.82 53133 C:\Windows\Logs\DPX\
setupact.log Log Realtek High Definition Audio Codec (Windows 7 / 8/ 8.1/ 10 64-bit) R2.82 431559 C:\Windows\Logs\DPX\
setupact.log Log Realtek RTL8187B Wireless 802.11b/g 54Mbps USB 2.0 Network Adapter 2015-10-28 62521 C:\Windows\Panther\UnattendGC\


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