How to Fix rbUSER55.bpl Error? Is it safe?

Frustrated by the rbUSER55.bpl error message? Well, you should want to know what this rbUSER55.bpl file is, what causes this error and the most important thing is how to fix this error. In this page, you will find all answers to your questions about this rbUSER55.bpl and the methods to fix it.

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What's rbUSER55.bpl File?

As its file extension denotes, rbUSER55.bpl is a vital bpl file and it's a component of the software unknow developed by Windows Software Developer. The latest version of rbUSER55.bpl file is and MD5 value is df1e58047f581d7da45259b72281230c. This error can be seen on Windows XP, Windows Vista, Windows 7, Windows 8 and Windows 10.

rbUSER55.bpl file information:
File Name:   
   rbUSER55.bpl (Free Scan)
Product Version:
   Windows Software Developer
File md5:   
File type:   
   bpl file
Security Level(0-5):   
OS Infected:   
   Download rbUSER55.bpl Error Free Scan Tool

Why Do I Receive rbUSER55.bpl Error?

unknow and the Windows will generate rbUSER55.bpl error when rbUSER55.bpl file cannot be used due to the removal or corruption of rbUSER55.bpl file. Virus infection is also a potential cause of rbUSER55.bpl error.

Popular rbUSER55.bpl Error Messages

  • The application has failed to start because rbUSER55.bpl was not found. Re-installing the application may fix this problem.
  • The program can't start because rbUSER55.bpl is missing from your computer. Try reinstalling the program to fix this problem.
  • rbUSER55.bpl failed. The specified module could not be found.
  • File not found: rbUSER55.bpl.
  • Failed to load library 'rbUSER55.bpl'.
  • Access violation in module 'rbUSER55.bpl'.
  • Component 'rbUSER55.bpl' or one of its dependencies not correctly registered a file is missing or invalid.

You may receive rbUSER55.bpl error when you run or close unknow, start or shut down the computer, or use specific function of unknow. The time you encounter the error is very important to troubleshoot the problem.

Causes of rbUSER55.bpl Error

rbUSER55.bpl error can be caused by plenty of reasons. The following are the most common causes of rbUSER55.bpl error.

  • The latest version of rbUSER55.bpl file is overwritten by a previous version installed by another newly-installed program.
  • There is a malfunctioning or faulty hardware in your computer.
  • rbUSER55.bpl file is infected with malicious adware, Trojans, spyware and malware.
  • The associated entries of rbUSER55.bpl are corrupted in the registry.
  • rbUSER55.bpl file that is still used by other programs is uninstalled by another program.

How to Fix rbUSER55.bpl Error?

If you're confident of fixing this problem yourself, we have listed several solutions to troubleshoot your rbUSER55.bpl problem.

Method 1: Replace corrupted system files with System File Checker.

System File Checker is a utility integrated in Windows system to help users easily scan and replace corrupted system files which may include files related to rbUSER55.bpl. If a "protected" file is modified or missing, this utility will restore it from a cached copy to ensure Windows work correctly.


a. Open an elevated command prompt.

Windows Vista and Windows 7

Click Start, click All Programs, Accessories, and then right click Command Prompt and click Run as administrator.

command prompt windows 7

Windows 8, Windows 8.1 and Windows 10

Open Win X menu by holding Windows and X keys, and then click Command Prompt (Admin).

windows8 win x menu

b. After confirming the UAC prompt, type sfc /scannow in the Command Prompt and hit Enter.

sfc windows 7

c. System File Checker is scanning your system and takes some time to complete the repair.

Method 2: Run a virus scan.

Malware infection is one of the most popular cause of various computer problems like rbUSER55.bpl error. Computer malware can make their way into the system, change system settings and corrupt system files. When this happens, unknow and Windows becomes more prone to rbUSER55.bpl error and even malfunction.


a. Restart your system into Safe Mode with Networking.

b. Open your antivirus or antispyware program. (You can also use this recommended malware detect tool)

c. Run a full scan for your system.

d. After the scan completes, either quarantine or remove any detected malware.

e. Restart your system.

Method 3: Do a System Restore.

System Restore is another useful utility integrated in Windows to help users revert their system files, installed applications, Windows registry and settings to that of a previous point of time. It's often used to fix problems like rbUSER55.bpl error caused by unexpected change made by a new program installation or abnormal Windows behaviors.

Note: Please do a full backup before performing System Store, otherwise, you may risk losing your files and data.


a. Go to the desktop of your system, right click on Computer and click Properties.

computer properties

b. In the left pane, click System protection.

system protection

c. In the System Properties window, click System Restore.

system restore

d. In the System Restore window, click Next.

system restore next

e. From the list of restore points, select one you wish to restore from. Click Next.

select restore point

f. If you do not want to change your decision, then click Finish.

confirm system restore

g. Click Yes.

yes restore

Method 4: Update device drivers.

Many issues, conflicts and vulnerabilities of device drivers may result in unexpected problems like rbUSER55.bpl error. Drivers are software that enables Windows system to talk and give instructions to hardware devices. Though drivers work correctly one day, they may have problems the next day. Keeping your drivers updated is a way to keep your system error-free.

Method 5: Repair corrupted Windows registry.

As the most important part of Windows operating system, Windows registry is a place that stores all information and configurations of software and hardware. A problematic registry is one of the most common causes of computer errors like rbUSER55.bpl error. Software installation, uninstallation, malware infection can make changes to the registry. Over time, more and more invalid entries are left and accumulated in the registry and then lead to various errors and problems. The registry needs regular maintenance to keep it tidy and stable. Manual editing the registry is not practical for people with no computer expertise, it's recommended that you use a registry cleaner to do this job.


Note: It requires certain computer knowledge to perform the above solutions. If you're not comfortable with this process, it's recommended that you download and run this automatic error fix utility to fix your PC problems automatically:

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