Troubleshoot bitsprx4.dll Errors and Download File

Sometimes Windows system displays error messages regarding corrupted or missing bitsprx4.dll 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 bitsprx4.dll file can therefore effect in failed execution of the started process.

bitsprx4.dll file Background Intelligent Transfer Service 2.5 Proxy. 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 bitsprx4.dll related errors on your device. You can also download bitsprx4.dll file compatible with Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista, Windows XP devices which will (most probably) allow you to solve the problem.

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

File info

General information
Filename bitsprx4.dll
File extension DLL
Description Background Intelligent Transfer Service 2.5 Proxy
Program Microsoft® Windows® Operating System
Author Microsoft Corporation
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.)

There are various types of errors related to bitsprx4.dll file. bitsprx4.dll 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 bitsprx4.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

  • bitsprx4.dll is corrupted
  • bitsprx4.dll cannot be located
  • Runtime Error - bitsprx4.dll
  • bitsprx4.dll file error
  • bitsprx4.dll file cannot be loaded. Module was not found
  • cannot register bitsprx4.dll file:
  • bitsprx4.dll file could not be loaded
  • bitsprx4.dll file doesn't exist



Application could not be started because bitsprx4.dll file is missing. Reinstall the application to solve the problem.


Problems related to bitsprx4.dll 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 bitsprx4.dll 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.

bitsprx4.dll 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 bitsprx4.dll 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 bitsprx4.dll 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 bitsprx4.dll 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 bitsprx4.dll file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the bitsprx4.dll 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 bitsprx4.dll 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 bitsprx4.dll 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 bitsprx4.dll file

The last solution is to manually download and replace bitsprx4.dll 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 bitsprx4.dll file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of bitsprx4.dll file example directory paths.

  • Windows 8.1: C:\Windows\System32\
  • Windows 8: 1: C:\Windows\System32\
  • Windows 7: C:\Windows\SysWOW64\
  • Windows 7: C:\Windows\SysWOW64\
  • Windows Vista: C:\Windows\SysWOW64\
  • Windows Vista: C:\Windows\SysWOW64\
  • Windows XP: ---

If the steps did not solve your bitsprx4.dll 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 bitsprx4.dll
System Windows 8.1
File size 10752 bytes
Date 2014-11-21
File details
MD5 1988d3e2356a07d7c208c3aa6a6a6392
SHA1 3abc4434dee3b45257563f4e55564db6d24d0643
SHA256 f2f3dbfc2559376ce6a27b65440859ad8d8d6241e95c1c32d8ad6fb7ab4a9746
CRC32 d9ef9050
Example file location C:\Windows\System32\
Filename bitsprx4.dll
System Windows 8
File size 10240 bytes
Date 2012-07-26
File details
MD5 27ffe47800b05269b447d1255f9c8443
SHA1 a186684ae0d50293db7bf1906cfebcfe86c7b722
SHA256 1f334cf549eef2b35745bee798c14df645a00cecd55545936e418e9bb4291193
CRC32 fc37c047
Example file location 1: C:\Windows\System32\
Filename bitsprx4.dll
System Windows 7
File size 9216 bytes
Date -0001-11-30
File details
MD5 027abb12c83bc3239fc1ade771282327
SHA1 778af9a5789a1e89c03a0998832dfc431ae089ca
SHA256 742d01dcc8fedd39f427881fa07ff45b2873d66f3f143bad6ff701d06dd1b1ef
CRC32 04044177
Example file location C:\Windows\SysWOW64\
Filename bitsprx4.dll
System Windows 7
File size 12288 bytes
Date 2009-07-14
File details
MD5 e8a99821c0b3c6bd65bcd11ffb15ad8b
SHA1 b3588588973c542dc6e503e2a2b412e286c585ce
SHA256 5b87f020e22a1ab31d3b3578aef7dc49c7c3c73c033627efac3a62bc726721ce
CRC32 c0e7f7b7
Example file location C:\Windows\SysWOW64\
Filename bitsprx4.dll
System Windows Vista
File size 12800 bytes
Date 2006-11-02
File details
MD5 9ab7d66bb3542560176a3b58fc6d96aa
SHA1 bf0ee04aaa5503a32b3cd4c4f74f13727d2f12f3
SHA256 e4a1eec024bac2fd30e64ae219ab07c2dddfb959011b103463c4d9d36ce3ad65
CRC32 2561f5f3
Example file location C:\Windows\SysWOW64\
Filename bitsprx4.dll
System Windows Vista
File size 9216 bytes
Date -0001-11-30
File details
MD5 9f8e9c1021fb88cdd057efad97f7fb58
SHA1 1e581e55a32bc6cdf3f9b67f485204319405b00a
SHA256 2b2f82b2d541851893f25e298eb9474a5b09fa38faa050045a48d313fe542fb4
CRC32 8ca57c4b
Example file location C:\Windows\SysWOW64\
Filename bitsprx4.dll
System Windows XP
File size 7168 bytes
Date 2008-04-14
File details
MD5 97ae3a4180cab360f44f7f03e5e0f409
SHA1 7ea932e809bfcdf0338c449b0c7235de654b5bd2
SHA256 605bf83a35f259282babc5a25966e02fee1f55118178b8e17beca936ecf7c149
CRC32 4a4839cb
Example file location ---