by Jack Cheen - Tech Analyst
Easy way to remedy System Error 668

Tips for Fixing System Error 668

  • How did you get System Error 668?

    Windows failed to update to windows 10. Computer drivers is oudated or damaged. Cannot install program. Too much bad browser cookies or registries files. Hard disk has not sufficient space.
  • Common Message of System Error 668:

    • System Error 668
    • The module System Error 668 was loaded but the entry-point DllRegisterServer was not found. Make sure that System Error 668 is a valid DLL or OCX file and then try again.
    • Some updates will not installed
    • Runtime Error XXX, A Runtime Error has occured, do you with to debug.
    • Your pc ran into a problem and needs to restart.
  • How to Fix System Error 668 Problems?

    System Error 668 issue is a petential risk for your PC. When you encounter System Error 668 error, you had better find a good solution to fix it as fast as possible. Or your computer might get continuous computer problems, such as Blue Screen, system crash or program freeze. Hence, it is essential to troubleshoot System Error 668 problem.
Click Here to Download System Error 668 Fixer *Size : 4.5 MB
Estimated Download Time <60 Seconds on BroadBand

Do as the below steps on troubleshooting System Error 668 in order to finally eliminate it.


For computer novice:

If you are a computer newbie, we suggest you to choose a useful software to help you troubleshoot System Error 668 issue.
Step 1: Click here to download SmartPCFixer.

Step 2: Double-click to run SmartPCFixer.



Step 3: Click Fix all to repair System Error 668 issue completely.




Notice: If {System Error 668 is still there, you may need to update PC drivers.

DriverTuner is an easy-to-use driver update software for you to update damaged drivers in 3 steps! Scan outdated drivers by simple click the below photos, get rid of System Error 668 at once.
download drivertuner

For advanced user:

The following steps are designed for you to repair System Error 668 problem manually.


Method 1: Fixing System Error 668 problem by sfc utility.

SFC is absolutely the most useful way to recover windows corrupted files. The whole process is quite easy.
Fow win 8/8.1/10 user:
Please visit here:
http://windows.microsoft.com/en-us/windows-10/using-system-file-checker-in-windows-10
For win vista/win 7 user:
To do this, click Start, type Command Prompt or cmd in the Search box, right-click Command Prompt, and then click Run as administrator. If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.



At the command prompt, type the following command, and then press ENTER:sfc /scannow



You may see the following message. Windows Resource Protection did not find any integrity violations. (This means that you do not have any missing or corrupted system files.) Windows Resource Protection could not perform the requested operation. Windows Resource Protection found corrupt files and successfully repaired them. Windows Resource Protection found corrupt files but was unable to fix some of them. (To repair the corrupted files manually, view details of the System File Checker process to find the corrupted file, and then manually replace the corrupted file with a known good copy of the file.)

Method 2: Removing System Error 668 by downloading drivers by yourself.

Right-click Computer on your desktop, then click Manage.



Find Device Manager and see if there is a yellow exclamation to notify you to update drivers. Then click update drivers as the pictures below.


Method 3: Resolving System Error 668 by system restore.

6 Comments on "How To Fix System Error 668?"

  • Comment by : Jeffrey UK
    Well, your software did a good job! I used it to download my not found Certmgr Dll successfully. Great program for fixing missing dll files.
  • Comment by : Nguyet FR
    Après la mise à jour vers Windows 10, mon ordinateur actes plutôt lent. Mes amis me recommandent de télécharger SmartPCFixer pour se débarrasser de lui. Je ne sais pas si elle est vraiment utile. Mais après l'installation de cet outil, je reçois rarement pop up erreur.
  • Comment by : Ardelle
    Smartpcfixer is useful software for me to fix System Error 668.
  • Comment by : Viva
    I am crazy for playing games. But recently, I always come across bsod problems. SmartPCFixer support team helped me fix the blue screen error. Thanks a lot! I hope my review can help people who want to try smartpcfixer.
  • Comment by : Nubia
    Deseved to give it a shot!
  • Comment by : See
    Many thanks. The software help me solve System Error 668 issue.
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Download System Error 668 Repair Tool *Size : 4.5 MB
Estimated Download Time <60 Seconds on BroadBand