How to Fix Mfc80u.dll Error

What's Mfc80u.dll error?

Mfc80u.dll is a Microsoft file used by various programs that commonly generates errors while installing or using a program or during system startup or shutdown. Mfc80u.dll error is mostly occurred due to registry errors, low disk space, computer virus, damaged swap file and damaged or incorrect version of mfc80u.dll file.

Common Mfc80u.dll error messages

• Cannot find [PATH]mfc80u.dll
• The file Mfc80u.dll is missing
• Mfc80u.dll Not Found
• This application failed to start because Mfc80u.dll was not found. Re-installing the application may fix this problem.
• Cannot start [APPLICATION]. A required component is missing: mfc80u.dll. Please install [APPLICATION] again.

1How to Fix Mfc80u.dll Error

1. Run a virus scan

Virus infection can cause Mfc80u.dll error. If your computer is infected by malware or virus, you need to do a virus scan at the first time. After scanning and cleaning the virus, restart your computer. If the Mfc80u.dll error still exists, check the items below.

2. Repair Windows registry

The registry is the most important component of the system, which is designed to facilitate the operation of all your installed software and hardware on the computer. Once it's corrupted or damaged, Windows can't operate properly, and most of the system errors are caused by its damage. Thus repairing it is necessary. Instead of spending much money on the service, you'd better fix it by employing a registry repair tool. You are not supposed to repair or edit registry database manually due to the importance of it if you are not such kind of geek.

3. Uninstall related programs

If the error message tells you that the application can't run due to the missing dll files, you can try to uninstall the program and then reinstall it. There may be some files incompatible with the system installed during the installation of the program.

4. Download a fresh Mfc80u.dll

Download Mfc80u.dll file from the Internet (make sure the website you download Mfc80u.dll is legally approved). Then find the current Mfc80u.dll file on your computer:
Go to "Start > Search", enter "mfc80u.dll", usually this DLL file is located on local disk C, then you can search it in the "Local Disk (C:)" (Or you can choose to search it in "Local Disks").
Then rename the original Mfc80u.dll file, and copy the newly download one to the folder. Don't delete the original Mfc80u.dll immediately and make a backup of it.

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