Solution To Mfc80u.dll Not Found Errors

Mfc80u.dll – What is it?

The mfc80u.dll is a Microsoft Foundation Class(MFC)library and belongs to Microsoft Visual Studio 2005.

What is the memory usage of mfc80u.dll?

Mfc80u.dll is a background DLL and its memory usage is low. The file is not known to consume disproportional amounts of system resources in terms of CPU or memory usage.

Common mfc80u.dll errors

Shared below are examples of regular mfc80u.dll errors that you may come across when you either start your Windows computer or an application:

  • “Mfc80u.dll not found.”
  • “The file mfc80u.dll is missing.”
  • “Cannot start the application. An important component mfc80u.dll is missing. Please install the application again.”

Cause of the Errors

Typically, missing or not found mfc80u.dll errors crop up if any of the following conditions hold true:

  • Mfc80u.dll file is missing.
  • Mfc80u.dll file is corrupt or its version is incorrect.
  • One or more files of the program with which you are getting the mfc80u.dll error are corrupt or damage.
  • Malware infection.
  • Corrupt or damaged windows registry.

Resolution Methods

Depending on the cause of the mfc80u.dll error, you may perform the following steps to fix the error:

Recover the mfc80u.dll file from the Recycle Bin

If you have accidentally deleted the mfc80u.dll file, then to fix the error, try to recover the mfc80u.dll file from the Recycle Bin.

In case you have already removed the mfc80u.dll file from the Recycle Bin, then you may use a reliable third-party recovery tool, such as Data Recovery Pro to recover the lost file.

Download a new copy of the mfc80u.dll file from the Internet

If you have not deleted the mfc80u.dll file but it is still missing, then to fix the error, download a fresh copy of the mfc80u.dll file from a reliable free online DLL directory. Save the mfc80u.dll file in the C:\Windows\System32 folder. Next, perform the following steps to register the DLL:

  1. Click Start and then click Run.
  2. Next, in the open box type cmd, and click the OK button.
  3. At command prompt, type cd c:\windows\system32 and press Enter.
  4. Next, at command prompt, type regsvr32 mfc80u.dll and press Enter.
  5. Type exit and press Enter to quit command prompt.

Uninstall and reinstall the program that is generating the mfc80u.dll error

In case you are receiving the mfc80u.dll error only when you try to run a particular application, chances are that there is some problem with one or more files of the program. To fix the mfc80u.dll error, uninstall and reinstall the program that is generating the error. You may also try to update the program if possible.

Perform a registry scan

Another common cause of DLL errors is the presence of corrupt entries in the Windows registry. To fix the mfc80u.dll error in this case, perform a registry scan using an advanced registry cleaner tool.

An efficient registry cleaner will help you perform deep registry scans and remove all reported bad and incorrect registry entries.

Perform a malware scan

Malware programs, such as worms, trojans, and rootkits are known to corrupt DLL files, such as the mfc80u.dll file by altering the codes embedded in them. To fix mfc8u.dll errors occurring due to malware infection, perform a thorough malware scan using top-rated antivirus and antispyware tools.