Which is the best approach to fix windows error 0xc0000221?
I have a huge problem, If your PC has fix file falure after you upgrade to Windows 10, the sound driver most probably is removed, corrupted, or incompatible with Windows 10, may be you don't know what to do.
Symptoms of windows error 0xc0000221
windows error 0xc0000221 issues symptom can include program lock-ups, slow PC performance, system freezes, startup and shut down problems, installation errors, and hardware failure. It is important to eliminate this problem in the shortest time.
  • inpage error keep popping up
  • permission error popup
  • write error keeps popping up
  • settings can't find
  • windowsupdate_80070002 hang on the hourglass
Causes of windows error 0xc0000221 errors
  • At times, when you would like to update your windows system, some essential dll files or registries files is missing or corrupted.
  • Install or uninstall software in a bad way and infected with Virus or Trojan.
  • System drivers are outdated or installed wrongly.
  • input device damaged
  • disappeared system options
  • internet disconnected
  • demanded windows service disappeared
  • application document missing
Tips on how to Repair windows error 0xc0000221 Problem?

A fast solution to fix this windows error 0xc0000221 is to use SmartPCFixer. We suggest you to do the below steps.

1. Click the below button to download SmartPCFixer.

2. Launch SmartPCFixer and run a complete scan for your PC.

3. Click Fix all to get rid of windows error 0xc0000221.

Fixing windows error 0xc0000221 error mannually
1.Click Start button, type windows update in the search panel, then click on Windows Updates.

2.Click on Change settings in the left side on new appeared window.

3.Select the option you prefer to set.

"Windows Update" is a module which used for upgrading the windows system, with it, we can upgrade the system, expand the system functions, make our system more supportive for softwares and hardwares, and keep a more stable system environment. Follow steps given as below, it is easy to install windows update.
1.Click Start button at the left corner of screen, and click Control Panel:

2.Click the option of Windows Update on new opened window:

3.After step 2, a new window - Windows Update will be opened, and click on Install updates

After all above steps finished, the process of installing windows update is completed.


From all the consideration above, it is clear that solving windows error 0xc0000221 is not that easy for people. We highly recommend users use SmartPCFixer to cope with this problem. 

Tips & Warnings

1. You must run as an administrator, no matter what steps you will do about your PC.

2. According to your computer windows system, the above steps may be slightly different, but the basic process is mostly the same.

About SmartPCFixer
SmartPCFixer is a responsible personal doctor of your computer. People may get ill, also, computers may sometimes get diseases. So our personal computer also needs a personal doctor to keep it in healthy condition so that it can provide better services for human beings. This software can cure many problems in your PC, like deleting disk fragmentation, videos which you have watched but unable to delete.
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