Mfc90enu.dll is a Windows DLL file. DLL is the abbreviation for Dynamic Link Library. DLL files are needed by programs or web browser extensions, because they contain program code, data, and resources. The following information can help you determine if mfc90enu.dll is a Windows system file or if it belongs to an application that you can trust.
Description: Mfc90enu.dll is not essential for the Windows OS and causes relatively few problems. Mfc90enu.dll is located in a subfolder of C:\Windows—for example C:\Windows\WinSxS\x86_microsoft.vc90.mfcloc_1fc8b3b9a1e18e3b_9.0.30729.6161_none_49768ef57548175e\ or C:\Windows\WinSxS\x86_microsoft.vc90.mfcloc_1fc8b3b9a1e18e3b_9.0.30729.4148_none_4973eb1d754a9dc9\.
Known file sizes on Windows 10/8/7/XP are 53,584 bytes (66% of all occurrences) or 53,568 bytes.
A .dll file (Dynamic Link Library) is a special type of Windows program containing functions that other programs can call. This .dll file can be injected to all running processes and can change or manipulate their behavior. The program has no visible window. You can uninstall this program in the Control Panel. The file has a digital signature. The service has no detailed description. It is not a Windows system file. It is able to record keyboard inputs. mfc90enu.dll appears to be a compressed file. Therefore the technical security rating is 68% dangerous.
Recommended: Identify mfc90enu.dll related errors
Important: Some malware camouflages itself as mfc90enu.dll. Therefore, you should check the mfc90enu.dll process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.
A clean and tidy computer is the key requirement for avoiding problems with mfc90enu. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.
Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.
To help you analyze the mfc90enu.dll process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.