DLL Errors

msvcp90d.dll Problems

Those who are looking to learn the C++ programming language that can be used to create various programs for computers, need to have a crucial file working at all times. This file is the msvcp90d.dll file and when there is a problem with the msvcp90d.dll file it is usually in the form of the file not being able to be located. This in turn leads to the C++ program not working properly and making it utterly useless for the user.

What Causes a msvcp90d.dll Problem?

When you receive a msvcp90d.dll not found error message that is exactly what is happening. The computer can’t find the appropriate file and therefore can’t give you the access you are attempting to gain to the C++ program. This can be caused by a number of factors including accidental deletion, a corrupt file or files on the registry, or the installation of the C++ program in a manner that is incorrect.

How to Fix a msvcp90d.dll Problem

There are several manual solutions that can be tried when approaching a msvcp90d.dll file missing problem. The solution that will work for you will of course depend on the reason your msvcp90d.dll error is occurring.

Solution1: Look for Deleted msvcp90d.dll File


Go to your desktop.

  1. Double click on the Recycling Bin icon on your desktop to open it up.
  2. Search through any deleted files and look for the msvcp90d.dll file.
  3. If found, restore immediately by clicking ‘restore.’
  4. To make sure the file is restored properly, be sure to restart your computer.

Solution 2: Uninstall and then Reinstall C++


Click the start button on your computer.

  1. Click Control Panel tab.
  2. Under the Programs tab click Uninstall programs.
  3. Find the C++ program you currently have installed.
  4. Click ‘uninstall’ and follow the prompts given.
  5. Restart your computer.
  6. Reinstall the C++ program.
  7. Restart your computer again.

Solution 3: Change Project Settings in C++ (Advanced Technique)


Go to Project Settings in C++ program.

  1. Go to Set Manifest –  click on input  Output – be sure to Embed Manifest to NO – click to generate a manifest file that is external.
  2. Go back to Project Settings and set C++ Code Generation to MDd.
  3. Generate a manifest file that contains the lines Dependency – Dependant Assembly – Assembly Identity Type = “Win32” – name = “Microsfot.VC90DebugCRT.”
  4. If asked for version use 9.0.21022.8.
  5. If asked for Process Architecture use x86.
  6. Public Key Token will be 1fc8b3b9a1e18e3b.
  7. Once done, use the new code to overwrite the C++ code generation and be sure to save a copy if you need it again.
  8. Restart your computer to allow new code to take effect.


qtwebkit4.dll Problems

Dll errors will occur to almost every computer regardless of what brand you have. Unfortunately, these errors are just errors that will occur with everyday use of your PC. One of the most common dll errors that happens today is the qtwebkit4.dll error. While you might not think anything of this error as it really won’t present too much trouble at first, if left ignored, it can cause all sorts of problems for your computer. This includes freezes, crashes, network connectivity failure, and even the Blue Screen of Death.


What Causes qtwebkit4.dll Problems?

Like all dll errors, there are a number of factors that can create a qtwebkit4.dll error to occur. Some of the more common causes are accidentally deleting the qtwebkit4.dll file while uninstalling a program, not uninstalling a program properly thus leaving the old version of the qtwebkit4.dll and a new version to overlap one another, or  a corrupt file or files on the computer’s registry.


How to Fix qtwebkit4.dll Problems


There are a few different ways to go about manually fixing your qtwebkit4.dll problems and the perfect solution depends on what is causing the error in your particular case. So, you can logically go from one solution to the next until you find the right one for your predicament.


Solution1: Look for Deleted qtwebkit4.dll File



  1. Go to your desktop.
  2. Open up your Recycling Bin by double clicking on the icon.
  3. Search the files for the qtwebkit4.dll file.
  4. If found, restore immediately.
  5. Restart your computer to make sure the file is restored properly.


Solution 2: Uninstall and Reinstall Program Related to qtwebkit4.dll File



  1. Click start on your computer.
  2. Click Control Panel.
  3. Click Uninstall Programs, which is located under the ‘Programs’ tab.
  4. Find the program associated with the qtwebkit4.dll file (likely from Nokia or one of its subsidiaries).
  5. Click ‘uninstall’ and follow the prompts that are given.
  6. Restart your computer once finished with the uninstall.
  7. Reinstall program related to the qtwebkit4.dll file.
  8. Restart your computer again.


Solution 3: Remove and Replace qtwebkit4.dll File



  1. Search for the qtwebkit4.dll file using the search box under the start menu.
  2. Locate the qtwebkit4.dll file.
  3. Delete and/or uninstall the qtwebkit4.dll file.
  4. Search online for a replacement qtwebkit4.dll file.
  5. Download qtwebkit4.dll file.
  6. Restart your computer so changes can go into effect.