How to Fix Clb.dll Application has Failed to Start Error

The Windows Registry is a database of settings and options for Microsoft Windows? various operating systems. The registry contains all the information pertaining to hardware and operating system software on your PC.? The Registry also contains data and settings for many non-operating system software and user settings.

The Windows Registry is an improvement over previously released operating systems, in which files were used to store configuration settings and were scattered all over the system. This made tracking the files very difficult.? Now, with the Windows Registry, users can locate files more efficiently.

Regedit is the command used to bring up the Registry Editor, which enables you to make changes to your registry.? You may receive the following error message when you try to run Regedit.

regedit.exe - Unable to Locate Component
This application has failed to start because clb.dll was not found. Re-installing the application may fix this problem.

This error occurs when the clb.dll file is either missing or corrupt.? Listed below are a few suggested methods to fix this error.

A note to users: Before you attempt to edit your registry, make sure that you have a backup in place. In case anything does not go as planned, you can revert back to your old settings using the backup file you created.

How to Fix Clb.dll Error

Method 1

  1. Boot in Safe Mode by tapping on the F8 key a few times at system Startup.
  2. Go to Last Known Good Configuration.
  3. Press Enter.
  4. Backup your registry.
  5. Go to Start and then to Run.
  6. Enter regedit.
  7. Restore information in HKLM\System\CurrentControlSet.

Method 2

  1. Check if clb.dll is present in C:\Windows\system32.
  2. If present, go to Start.
  3. Proceed to Run.
  4. Enter regsvr32 clb.dll.
  5. If clb.dll is not present in C:\Windows\system32, insert your Windows XP installation CD.
  6. Exit if the CD autostarts.
  7. Go to Start and then proceed to Run.
  8. Enter X:\i386\clb.dl_ C:\Windows\System32\clb.dll. This assumes that X is the drive where the CD is, and C is the system drive and Windows is the installation directory.
  9. Go back to Start and then go to Run.
  10. Type in regsvr32 clb.dll.
  11. Press Enter.

Method 3

  1. Download a copy of clb.dll from a safe site.

    (There are many sites that pretend to offer legitimate downloads and give you a virus or a Trojan instead.

    Prevent this by using powerful antivirus and anti-spyware programs like STOPzilla Antivirus and Spyware Cease. These two programs will work to protect your system and your personal information from various forms of malware.)

  2. Put the copy of clb.dll in your Windows System32 folder.
  3. Reboot your PC.
  4. Check to see if the problem still exists.


Instead of downloading the file from a website, try copying clb.dll from a clean machine.