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How to Download and Fix bthci.dll.mui?

Sometimes Windows system displays error messages regarding corrupted or missing bthci.dll.mui files. Situations like that can occur, for example, during a software installation process. Each software program requires certain resources, libraries, and source data to work properly. Corrupted or nonexistent bthci.dll.mui file can therefore effect in failed execution of the started process.

bthci.dll.mui file Bluetooth Class Installer. The file was developed by for use with software. Here you will find detailed information about the file and instructions how to proceed in the event of bthci.dll.mui related errors on your device. You can also download bthci.dll.mui file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista

File info

General information
Filename bthci.dll.mui
File extension MUI
Description Bluetooth Class Installer
Software
Program Microsoft® Windows® Operating System
Author Microsoft Corporation
Details
MIME type application/octet-stream
File type Dynamic link library
System Windows NT 32-bit
Copyrights © Microsoft Corporation. All rights reserved.
Character set Unicode
Language cod English (U.S.)
bthci.dll.mui

There are various types of errors related to bthci.dll.mui file. bthci.dll.mui file may be located in wrong file directory on your device, may not be present in the system, or may be infected with malicious software and therefore not work correctly. Below is a list of most common error messages related to bthci.dll.mui file. If you encounter one listed below (or similar), please consider the following suggestions.

  • bthci.dll.mui is corrupted
  • bthci.dll.mui cannot be located
  • Runtime Error - bthci.dll.mui
  • bthci.dll.mui file error
  • bthci.dll.mui file cannot be loaded. Module was not found
  • cannot register bthci.dll.mui file:
  • bthci.dll.mui file could not be loaded
  • bthci.dll.mui file doesn't exist

bthci.dll.mui

Error

Application could not be started because bthci.dll.mui file is missing. Reinstall the application to solve the problem.

OK

Problems related to bthci.dll.mui can be addressed in various ways. Some methods are meant only for advanced users. If you don't have confidence in your skills, we suggest consulting a specialist. Fixing bthci.dll.mui file errors should be approached with utmost caution for any mistakes can result in unstable or unproperly working system. If you have the necassary skills, please proceed.

bthci.dll.mui file errors can be caused by various factors, so its is beneficial to try to fix them using various methods.

Step 1: Scan your computer for any malicious software

Virus Scan

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with bthci.dll.mui file or any other Windows system files should be scanning the system for malicious software using an antivirus tool.

If by any chance you don't have any antivirus software installed on your system yet, you should do it immediately. Unprotected system is not only a source of file errors, but, more importantly, makes your system vulnerable to many dangers. If you don't know which antivirus tool to choose, consult this Wikipedia article – comparison of antivirus software.

Step 2: Update your system and drivers.

Windows Update

Installing relevant Microsoft Windows patches and updates may solve your problems related to bthci.dll.mui file. Use dedicated Windows tool to perform the update.

  1. Go to the Windows "Start" menu
  2. Type "Windows Update" in the search field
  3. Choose the appropriate software program (name may vary depending on your system version)
  4. Check if your system is up to date. If any unapplied updates are listed, install them immediately.
  5. After the update has been done,restart your computer in order to complete the process.

Beside updating the system, it is recommended that you install latest device drivers, as drivers can influence proper working of bthci.dll.mui or other system files. In order to do so, go to your computer or device producer's website where you will find information regarding latest driver updates.

Step 3: Use System File Checker (SFC) tool

System File Checker

System File Checker is a Microsoft Windows tool. As the name suggests, the tool is used for identyfing and addressing system file related errors, including those related to bthci.dll.mui file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the bthci.dll.mui file with properly working version. To use the tool:

  1. Go to the Windows "Start" menu
  2. Type "cmd" in the search field
  3. Locate "Command Prompt" result – don't run it yet:
  4. Click the right mouse button and select "Run as Administrator" option
  5. Type "sfc /scannow" in console prompt to start the program and follow the instructions

Step 4: Restoring Windows system

Windows Recovery

Another approach is to restore system to previous state, before the bthci.dll.mui file error occured. In order to restore your system, follow the instructions below

  1. Go to the Windows "Start" menu
  2. Type "System Restore" in the search field
  3. Start the system restore tool – it's name may differ depending on version of the system
  4. The application will guide you through the process – read the messages carefully
  5. After the process has finished, restart your computer.

If all the above-mentioned methods failed and the bthci.dll.mui file problem has not been resolved, proceed to the next step. Remember that the following steps are intended only for advanced users.

Download and replace bthci.dll.mui file

The last solution is to manually download and replace bthci.dll.mui file in appropriate folder on the disk. Select file version compatible with your operating system and click the "Download" button. Next, go to your web browser's "Downloaded" folder and copy the downloaded bthci.dll.mui file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of bthci.dll.mui file example directory paths.

  • Windows 10: C:\Windows\System32\en-US\
  • Windows 8.1: C:\Windows\System32\en-US\
  • Windows 8: 1: C:\Windows\System32\en-US\
  • Windows 7: C:\Windows\System32\en-US\
  • Windows Vista: C:\Windows\System32\en-US\

If the steps did not solve your bthci.dll.mui file problem, you should consult a professional. A probability exists that the error(s) might be device-related and therefore should be resolved at the hardware level. A fresh operating system installation might be necessary – a faulty system installation process can result in data loss.

File versions list

Filename bthci.dll.mui
System Windows 10
File size 3584 bytes
Date 2017-03-18
File details
MD5 9f893360d25148ddd75b59507590c421
SHA1 5d0519e4f7dc96df83d19045a78d50c20c105a0f
SHA256 f71f317e3ce224f9728f0df35b9a3db16fe2f9c133c2d9af3ce1663907a79530
CRC32 e891e3a1
Example file location C:\Windows\System32\en-US\
Filename bthci.dll.mui
System Windows 8.1
File size 3072 bytes
Date 2014-11-21
File details
MD5 c43b4166443e0a9e075c1b46bb8bd1ca
SHA1 abee3c45e46b9614381702b500fbd380685d2b89
SHA256 236f914e91c8856e35d7404af043c0fb86b4230f2cfb69573f274dd5daa80bb4
CRC32 e23524e9
Example file location C:\Windows\System32\en-US\
Filename bthci.dll.mui
System Windows 8
File size 3072 bytes
Date 2012-07-26
File details
MD5 bbfd45bea8c3a36835b8bd3f06cf571e
SHA1 9a1dcf788d6b9d074246dc0a9d5d9d7a471fc8c1
SHA256 0d2988a6d080ca7293d4c49de0471e320a5836d496a27a32ca43e76011521cc0
CRC32 40f34938
Example file location 1: C:\Windows\System32\en-US\
Filename bthci.dll.mui
System Windows 7
File size 3584 bytes
Date 2011-04-12
File details
MD5 72d6ee441f663c30887e33579bfc7ed9
SHA1 5a08717bc0d9ade371850ca0791f3876f8018c89
SHA256 3afc09f0a47059732fd98d92e245c6cc1826780d2f1a9bacc34970b06ec9cdf7
CRC32 886ed230
Example file location C:\Windows\System32\en-US\
Filename bthci.dll.mui
System Windows Vista
File size 3584 bytes
Date 2009-04-11
File details
MD5 3c2f53825b31ef47a4c0e25a7828787d
SHA1 398c6135559232b9bbf7bcf81e10a56d81dad41c
SHA256 52898591d5b09a15ef91475b6b3f83fa3a28a2becab53b69c5cec9a1f3c9dfdc
CRC32 195200b4
Example file location C:\Windows\System32\en-US\