How to Fix QOSBKOAR.DLL Error? - Solutions toQOSBKOAR.DLL Error

QOSBkOar.dll is a file required by some applications on your computer to run properly. If the file is corrupt or the programs that need to use it are damaged, the errors related to the DLL file may show up on your computer. If you are faced with such computer errors but don’t know how to repair them, read this article and you will learn effective methods to fix QOSBkOar.dll error.

What is QOSBKOAR.DLL?

It is ADs LDAP Provider C, a file belonging to Microsoft Windows Operating Systems. DLL is the abbreviation of Dynamic Link Library. "A Dynamic Link Library (DLL) is a file of code containing functions that can be called from other executable code (either an application or another DLL). Programmers use DLLs to provide code that they can reuse and to parcel out distinct jobs. Unlike an executable (EXE) file, a DLL cannot be directly run. DLLs must be called from other code that is already executing.

What may result in QOSBKOAR.DLL error?

The error can be caused by various reasons. Generally, the situations below would result in the DLL error:

1.      QOSBKOAR.DLL file has been damaged or deleted on the computer incorrectly.

2.      Your computer is infected by viruses or Trojans. System files may be damaged by it.

3.      Your Windows or drivers may be outdated.

4.      Certain program is installed or removed improperly.

5.      There are registry errors on your system so the relevant applications fail to respond.

6.      Improper installation of networking software due to that some of the installation files are missing, or may have gone damaged

7.      Hardware not functioning properly

When the situations above occur, you may see the following error messages:

"QOSBkOar.dll Not Found."

"QOSBkOar.dll Is Missing."

"Program Failed To Launch Because QOSBkOar.dll Was Not Found."

Solutions to QOSBKOAR.DLL error:

Restart your PC immediately.

In case the error is caused by virus infection, you’d better scan your computer with the advanced antivirus program. If any suspicious file is found, delete it immediately to protect your computer system.

Uninstall the program responsible for the error.

DLL Error still could be caused by some uninstalled programs. If you did not uninstall applications completely, the DLL information of it would remain in the system and next time when you start computer the error message of course would appear because system uploads an invalid application. Thus, you can go to Control Panel after clicking Start, click Add/Remove programs and search for and delete the program.

Use a fresh copy of the DLL file to replace the problematic one.

Get a new copy of the QOSBKOAR.DLL file by downloading it from the internet. Unzip the file onto the hard drive and then find the existing QOSBKOAR.DLL file in the c:\Windows\System32 folder. Change the name from QOSBKOAR.DLL into QOSBKOAR.DLLold.dll. Go back to the c:\Windows\System32 folder and copy & paste the new QOSBKOAR.DLL file there. Then, open command prompt by going to START> RUN and type in "cmd" into the box that you will see. On the command prompt, put in "regsvr32 QOSBKOAR.DLL" to register the new QOSBKOAR.DLL file. This will refresh the damaged file, remove errors and put in a new one that functions correctly. This will also prevent the error from occurring again.

Fix the registry errors.

The registry is a database that contains configuration options and settings for Windows and your installed programs. Registry entries in the local machine hive will start up for all users of the computer while launching the related program. If there are registry errors on your system, the related programs won’t be able to run and the QOSBKOAR.DLL error will occur. It is recommended that you download and use a professional registry cleaner tool to help fix the registry problem. When the registry error is solved, you can repair QOSBKOAR.DLL error effectively.