Ntdll.dll "Stop" and "Fault" Errors

Some of the most frustrating error messages you'll ever see are those involving DLL files. Windows uses these small, very important files for everything from booting to memory management and more.

An unfortunately common DLL error involves the Ntdll.dll file and most often shows up as: "STOP: 0xC0000221 unknown hard error C:\Winnt\System32\Ntdll.dll".

There are a number of possible solutions to this complicated issue so if you've been seeing this one lately, check out this easy to follow Ntdll.dll troubleshooting guide and you'll have Windows back in shape in no time.