Fix mfc90u.dll related errors in Windows 7, 8 or 10

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What exactly is mfc90u.dll?

mfc90u.dll is a type of DLL file, with extension of .dll. It is associated with MFCDLL Shared Library – Retail Version and is used to run MFCDLL Shared Library – Retail Version based applications. Certain sophisticated video games and software applications use mfc90u.dll to get access to certain API functionality, as provided by Windows.

File Name: mfc90u.dll

File Description: MFCDLL Shared Library – Retail Version

Operating Systems: Windows XP, Vista, 7, 8, 10

File Format: .dll

Download Format: .zip

DLL files similar to executable files, except it is not possible to directly execute a DLL file such as mfc90u.dll, as only an executable file can load it through an entry point.

What is a DLL file?

Common Variations mfc90u.dll Related Errors

The program can’t start because mfc90u.dll is missing from your computer. Try reinstalling the program to fix this problem.
mfc90u.dll not found
This application failed to start because mfc90u.dll was not found. Re-installing the program may fix this problem.
The code execution cannot proceed because mfc90u.dll was not found. Re-installing the program may fix this problem.
Cannot start {program}. A required component is missing: mfc90u.dll. Please install {program} again.

First of all, you have to download mfc90u.dll file from top of this article, proceed with the installation of mfc90u.dll file in your Windows PC. Make sure you download 32/64-bit file depending on your PC configuration to be able to fix any missing .dll file error.

Other Steps To Solve mfc90u.dll Error

Run Antivirus:Some mfc90u.dll issues could be associated with a virus or malware infection in your computer which has damaged the mfc90u.dll DLL file. It is possible the mfc90u.dll error you are seeing is associated with a hostile program that is masquerading as a document. Many sorts of malware masquerade as apparently unrelated Windows and PC problems like Blue Tooth Death, problems with DLL files (in this case, mfc90u.dll), strange hard disk activity, along with other serious Windows problems. That’s why, run an antivirus scan.
Reinstall the program:Reinstall the program that is generating the mfc90u.dll error. In case the mfc90u.dll error happens when you run a specific program, then reinstalling said program application could help. By reinstalling a software, whether it be a productivity utility, a game, or even an office program, you substitute all of the program documents, registry entries, and mfc90u.dll files required for the application to run. To reinstall a program in the most proper means possible, you need to uninstall it entirely first.
Update/Install drivers:Update drivers for almost any hardware that may be associated with this mfc90u.dll DLL error. Suppose, if you are getting a “Missing DLL” error when you play audio, consider updating your sound drivers. Updating drivers can be also an excellent troubleshooting measure if you are getting a mfc90u.dll error.
Reinstall/Reset Windows: As time passes, the buildup of documents, misconfigured configurations, along with other variables slows down your computer. If you find that you are encountering mfc90u.dll error messages often, and programs do not run the way you expect, you may choose to turn back the clock by resetting Windows. A System Restore could also eradicate the problem if you suspect that an update caused mfc90u.dll error to spring up.
Repair Windows:Repairing Windows version is one step easier or less riskier than resetting or reinstalling Windows, that’s why to solve mfc90u.dll, you may first want to use Repair Windows wizard. Reset This PC option in Windows 10/8 is quite handy as it overwrites all important files, processes that tend to fix mfc90u.dll problems caused by Windows built-in files.
Install Windows updates:Windows 10 updates are always coming and going, there are updates being delivered multiple times in a month. It’s quite a possibility that some change in the operating system is not compatible with old version of mfc90u.dll file. In this case, installing latest Windows update does the trick by delivering updated mfc90u.dll version of file.
Clean the registry:Utilize a free registry cleaner to fix mfc90u.dll associated problems in the registry by eliminating invalid mfc90u.dll registry entries which may be causing the mfc90u.dll DLL error.Registry cleaners are particularly helpful for eliminating registry entries to mfc90u.dll file which no longer exists.
Hardware issue: If you have tried all of the troubleshooting steps above, there is a chance that the problem is not on software-level, rather it’s some hardware issue.

Download Section for mfc90u.dll

Size	Version	Bit	Associated Software	Download
3780424	9.0.30729.4148	32	MFCDLL Shared Library – Retail Version	Download
3783672	9.0.30729.1	32	MFCDLL Shared Library – Retail Version	Download
1162744	9.0.21022.8	32	MFCDLL Shared Library – Retail Version	Download
3781960	9.0.30729.6161	32	MFCDLL Shared Library – Retail Version	Download