blb_ps.dll - How to Fix? Download Now

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

blb_ps.dll file Microsoft® Block Level Backup proxy/stub. 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 blb_ps.dll related errors on your device. You can also download blb_ps.dll 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 blb_ps.dll
File extension DLL
Description Microsoft® Block Level Backup proxy/stub
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 blb_ps.dll file. blb_ps.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 blb_ps.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

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



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


Problems related to blb_ps.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 blb_ps.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.

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

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

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

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

If the steps did not solve your blb_ps.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 blb_ps.dll
System Windows 10
File size 27648 bytes
Date 2017-03-18
File details
MD5 fbd8a95382c56e362cd5ae544f2a2fd9
SHA1 8e44ac4e9a4d81f4aba3e38fa182de3c80adb4ae
SHA256 3962cb0963243c902149d5845444b4d95ba54795243a37d7c1843fa8bc860ffc
CRC32 0b9a756c
Example file location C:\Windows\System32\
Filename blb_ps.dll
System Windows 8.1
File size 26624 bytes
Date 2014-11-21
File details
MD5 87b1e9009293027d59b44bdc64608463
SHA1 4868ca3e2a886ed46bf12051dd15815afc8576f2
SHA256 49b04fda393b84c7ff6cf3a5884b2d4fd380f9677aa709dd7ae368380ce634b0
CRC32 eaa02ca0
Example file location C:\Windows\System32\
Filename blb_ps.dll
System Windows 8
File size 25600 bytes
Date 2012-07-26
File details
MD5 54bb7c9745c9812f85625b81983fce0e
SHA1 7279689e37a3c40906928e0cef16ec85cd7c1af9
SHA256 e05e9f664857d3ce8a8eb837e078776b8d05c2773958e5381614859e0999b31e
CRC32 3ccc9fa5
Example file location 1: C:\Windows\System32\
Filename blb_ps.dll
System Windows 7
File size 28672 bytes
Date 2009-07-14
File details
MD5 a5819e4a68612758d9e74eeb068b90e2
SHA1 2d743a5fd4bf41bcdca623d36f5e432f6a14781b
SHA256 be73e9213c1d5aefb3e52c81ba41a10a9d6aec6a59eb22f2721c22041ae2843f
CRC32 36efcd31
Example file location C:\Windows\System32\
Filename blb_ps.dll
System Windows Vista
File size 26624 bytes
Date 2008-01-21
File details
MD5 f22aad31de162c0a111c3e65cb534174
SHA1 4ca2fc68dd27321b5e815ec65845e619d1c1a430
SHA256 4aec81fda44a0f88d1d2e216f110b8c739c5a410bc622ac3a27d6fd1c7e22b13
CRC32 71445766
Example file location C:\Windows\System32\