Type sfc /scannow and press Enter. Windows will attempt to find and repair missing system files.
If you have a system, you should install both the x86 and x64 versions (many 64-bit apps still rely on 32-bit components). If you have a 32-bit system, install only the x86 version. Restart your computer : skachat programmu mfc100u dll
Avoid "DLL download" websites, as they often bundle malware or provide the wrong versions. The only secure method is to install the official package from Microsoft. : Go to Settings > System > About . Type sfc /scannow and press Enter