There may be many causes for the failure of some file of Windows OS, but most of the causes are as follows:
GRID.DLL: Download grid.dll File
GSUPDATE.EXE: Download gsupdate.exe File
GCDEF.DLL: Download gcdef.dll File
GCHAND.DLL: Download gchand.dll File
GDI32.DLL: Download gdi32.dll File
GLU32.DLL: Download glu32.dll File
GROUPPOL.DLL: Download grouppol.dll File
GRPCONV.EXE: Download grpconv.exe File
g711codc.ax: Download g711codc.ax File
g723codc.ax: Download g723codc.ax File
gameenum.exe: Download gameenum.exe File
getuname.dll: Download getuname.dll File
glmf32.dll: Download glmf32.dll File
gpedit.dll: Download gpedit.dll File
gpkcsp.dll: Download gpkcsp.dll File
gpkrsrc.dll: Download gpkrsrc.dll File
gptext.dll: Download gptext.dll File
grovel.exe: Download grovel.exe File
grovmsg.dll: Download grovmsg.dll File
gzip.dll: Download gzip.dll File
gameenum.sys: Download gameenum.sys File
graftabl.com: Download graftabl.com File
gio-2.0.dll: Download gio-2.0.dll File
glib-2.0.dll: Download glib-2.0.dll File
glibmm-2.4.dll: Download glibmm-2.4.dll File
gmodule-2.0.dll: Download gmodule-2.0.dll File
gobject-2.0.dll: Download gobject-2.0.dll File
gthread-2.0.dll: Download gthread-2.0.dll File
grabbitmqProxy.dll: Download grabbitmqproxy.dll File
guestInfo.dll: Download guestinfo.dll File