If you find yourself here, it represents you may come across qd4.dll missing problems and you are searching for the best way to solve qd4.dll problems.  One thing you should know, qd4.dll problems might includes your computer lock-ups, slow PC performance, system freezes, blue screen, shutdown or startup problems, and installation errors. It can be a time bomb for your computer. Therefore, you had better solve this problem immediately, or your machine will be broken sooner or later.

What is qd4.dll?

Dynamic-link library (also written unhyphenated), or DLL, is Microsoft's implementation of the shared library concept in the Microsoft Windows and OS/2 operating systems. These libraries usually have the file extension DLL , OCX (for libraries containing ActiveX controls), or DRV (for legacy system drivers). Usually, people will come across qd4.dll error when windows boots up or shuts down abnormally, installing a software in a wrong way, or even installing windows system by mistake.

You might see the following qd4.dll error message:

  • "Runtime Error! Program [path]\qd4.dll. An application has made an attempt to load the C runtime library incorrectly. Please contact the application's support team for more information."
  • "Cannot find [PATH]\qd4.dll"
  • "Cannot start [APPLICATION]. A required component is missing: qd4.dll. Please install [APPLICATION] again."
  • "The file qd4.dll is missing."
  • "Windows could not start because qd4.dll file is missing or corrupt."
  • "[path]\qd4.dll is either not designed to run on Windows or it contains an error. Try installing the program again using the original installation media."
  • "qd4.dll Not Found"
  • "This application failed to start because qd4.dll was not found. Re-installing the application may fix this problem."
  • "The module qd4.dll was loaded but the entry-point DllRegisterServer was not found. Make sure that qd4.dll is a valid DLL or OCX file and then try again."

At whiles, qd4.dll error can be caused by the installation of a program. If you uninstall the program which you have just installed, qd4.dll problem will be resolved easily.

Please do as the following instructions:

1. You must log on your computer with administrator rights.

2. Click Start, type msconfig.exe in the Start Search box, and then press Enter to start the System Configuration utility.

Note: If you are prompted for an administrator password or for confirmation, you should type the password or provide confirmation.

3. On the General tab, click the Selective startup option, and then click to clear the Load startup items check box. (The Use Original Boot.ini check box is unavailable.)

4. On the Services tab, click to select the Hide all Microsoft services check box, and then click Disable all.

Note This step lets Microsoft services continue to run. These services include Networking, Plug and Play, Event Logging, Error Reporting, and other services. If you disable these services, you may permanently delete all restore points. Do not do this if you want to use the System Restore utility together with existing restore points.

5. Click OK, and then click Restart.

Reference: http://support.microsoft.com/kb/929135/en-us

Automatic qd4.dll Problems Removal Tutorial:

Step 1 In first step you need to install the application and Scan your whole computer.

Step 2 Click "System Fix", you can view the following pictures.

Step 3 Click "Dll Download" and type the missing qd4.dll in the searching box.

Step 4 Click Download and Register qd4.dll Files with SmartPCFixer.

Step 5 Reboot Your Computer, Error Removed!

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