What is nusrmgr.cpl ? nusmgr.cpl is Control Panel extension and you can control your computer user.

nusmgr.cpl is in C:\WINDOWS\system32\.nusrmgr




you can fix it with registry editor. Copy this line to notepad and save as fix_useracc.reg

Windows Registry Editor Version 5.00

;Fixes the "Red X" mark in User accounts applet
;More details at: http://windowsxp.mvps.org/redxaccounts.htm

[HKEY_CLASSES_ROOT\.ico]
@="icofile"
"PerceivedType"="image"
"Content Type"="image/x-icon"

[HKEY_CLASSES_ROOT\.ico\PersistentHandler]
@="{098f2470-bae0-11cd-b579-08002b30bfeb}"

[HKEY_CLASSES_ROOT\icofile]
@="Icon"
"ImageOptionFlags"=dword:00000000

[HKEY_CLASSES_ROOT\icofile\DefaultIcon]
@="%1"