File mfc90.dll is created by Microsoft Corporation as a dynamic link library module of Microsoft Visual Studio program, if the data file encounters some problems to support the associated applications and operations on the computer, if you receive an error notification:
“mfc90.dll is not found”
“Cannot register mfc90.dll.”
“Microsoft Visual Studio 2008 was unsuccessful to launch due to mfc90.dll is not available”.
“Cannot start AutoCAD LT 2012. A required component is missing: mfc90.dll. Please install AutoCAD LT 2012 again.”
Where does the problem come from?
Since there are many applications and features closely related to the mfc90.dll file, so many files and process errors could be the causes of mfc90.dll error. In most cases, the following problems are often the reasons for this DLL error:
- Dangerous virus or spyware infections
- Damaged or missing mfc90.dll file
- Incorrect program installation or removal
- Corrupt or invalid system file issues
- Associated system registry errors
General results of getting mfc90.dll error
Once come across this problem on computer, you will find many processes and computer features being affected and cannot perform effectively and smoothly as usual, and these problems may all happen on your PC:
- Slower computer operation
- Unsteady performance of the Windows system
- Computer suddenly shut-down
- Freeze program or computer
- Additional registry issues and runtime errors
To avoid these troublesome further problems on the computer which caused by the mfc90.dll, you should take instant steps to repair it well.
Instructions to fix mfc90.dll error on Windows system
According to the possible causes of this error problem, people can try to use the following resolutions to get rid of the error message and fix the error well.
Check and remove virus infections
As we all known that getting a virus infection on computer must do harm to the system, damage, overwrite or delete your system order, files, database, registries, and etc. File mfc90.dll is also possible being written by the malicious virus, and make the computer system and related applications unable to find and use it. So you could see the associated error messages always appearing on the computer. Additionally, some viruses just display the fake error notification to mislead you buying some fake program. In order to ensure the security of your computer system, you should employ a powerful antivirus program, or update your installed security application and conduct a full virus scan and removal on the system.
Re-register or reinstall mfc90.dll file
If the error message often states that the mfc90.dll file is missing or cannot be found, to fix mfc90.dll error, you should firstly make sure whether it is still on your computer.
Click on Start > enter “mfc90.dll” in the search box > hit Enter
If the search result shows that it is on the computer, please attempt to repair the error issue by re-registering the DLL file on Windows system:
- Click on Start > Run > type “cmd” > hit Enter
- Type “regsvr_mfc90.dll” on the black window, and press Enter
If you can find nothing related to the file on the search result, please try to re-install the file on your computer, and then register it with the above steps.
One can get a new mfc90.dll file from either the system installation CD/DVD or a specific website which provides various kinds of DLL file for free. So you can download the file and install on your system folder easily. Please be cautious that in order to make sure the new DLL file can be recognized and read by the system and associated programs, it is suggested to register it on the system after the installation.
Uninstall the program associated with the DLL error
There is such a case that the mfc90.dll error just occurs after you installing a new application or opening a certain program on the computer, and this is mostly caused by the program conflict issue. In this situations, you should try to fix mfc90.dll error via firstly removing the application which cause the DLL error. And it is recommended to install a brand new version of the program if you want to keep in use.
Clean system registry issues
Registry error is one of the most common problems on the computer, because many system registries are easily affected or damaged by the improper operation or other system running problems. And registry issues are very easy to cause many other problems like system freeze-up, Blue Screen of Death error, degraded system security and also the mfc90.dll error on computer, . Therefore, to fix mfc90.dll error in this case, you should apply a good registry cleaner to do a full scan of your computer system, and repair all of registry errors with the cleaning tool, which also can help you avoid many potential system problems effectively.