Showing windows 7 error 0xc0000221 - Why Don't You Try This Method?
The blog will explain what is windows 7 error 0xc0000221? What causes windows 7 error 0xc0000221? How to solve windows 7 error 0xc0000221 roblem?
Symptoms of windows 7 error 0xc0000221
windows 7 error 0xc0000221 problem appeared when your computer is unstable and critical system files fails to respond or starts missing. It happens when your computer is not being maintained regularly. To prevent from further damage and bad effect you need to troubleshoot this issue immediately.

  • output error pop up
  • not allowed error keep popping up
  • device error pop-up
  • toolbar failure keeps popping up
  • computer overheating
What causes windows 7 error 0xc0000221

    windows 7 error 0xc0000221 may happen when the hard disk has not sufficient space.

    computer BIOS might be incompatible or it might need to be updated.

    video adapter drivers may be incompatible

    device driver or a system service might be missing.

    Corruption in Windows registry from a recent software change (install or uninstall).

  • corrupted windowsupdate_c8000222 configurations
  • insufficient agree to visit windows service
  • OS failed to validate software
  • OS failed to turn on driver
  • dependency DLL file incompatible
The right way to Remove windows 7 error 0xc0000221 Problem?

An efficient way to resolve this windows 7 error 0xc0000221 is to use SmartPCFixer. We highly recommend you to do the following 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 7 error 0xc0000221.

Fixing windows 7 error 0xc0000221 error all by yourself
  • Start Your PC in safe mode to fix windows 7 error 0xc0000221

Boot up your computer, press F8. Your computer will enter into safe mode to run.

  • Check if your PC drivers is outdated or not.

Click Start, type Device Manager in the searching box and see if there is outdated or corrupted driver issues.

Lionsea's technical team developed windows update function to help users largely save time and check for the latest windows update.

Launch the software and click System Tools, Windows update step by step.

smart windows update


From all the reasons above, it is clear that fixing windows 7 error 0xc0000221 is a little complicate for people. We suggest people use SmartPCFixer to resolve this problem. 

Tips & Warnings

1. Whatever steps you want to do for your computer, you had better run as an administrator.

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

About SmartPCFixer
SmartPCFixer Cleaner is the best software for cleaning your personal computer. It is able to protect your privacy online and make your computer healthy and safe enough. It cleans items like invalid registry, private data on the hard disk, junk files, unwanted browser history, useless cookies and temporary files. Besides, it can help you get rid of all unnecessary files that can slow down your personal computer and make your computer more stable. By using it, you can speed start-up, optimize desktop, windows menu, and other items.
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