by Jack Cheen - Tech Analyst
Easy way to remedy Unknown Error 5

How to Solve the Problem of Unknown Error 5

  • How did you get Unknown Error 5?

    Windows failed to update to windows 10. Failed to install the latest drivers. Install a software in a wrong way. Too much bad browser cookies or registries files. Hard drive is full.
  • Common Unknown Error 5 you may receive:

    • Unknown Error 5
    • Windows could not start because Unknown Error 5 file is missing or corrupt.
    • Windows 10 could not be installed
    • Runtime Error XXX, The application has requested the runtime to terminate.
    • A fatal exception has occurred.
  • How to Repair Unknown Error 5 Problems?

    Unknown Error 5 problem looks like a huge disaster for your PC. When you encounter Unknown Error 5 problem, you should find a good way to get rid of it at once. Or your PC might get continuous computer problems, such as Blue Screen, system crash or program freeze. That is to say, it is important to fix Unknown Error 5 error.
Click Here to Download Unknown Error 5 Fixer *Size : 4.5 MB
Estimated Download Time <60 Seconds on BroadBand

Do as the below steps on resolving Unknown Error 5 in order to finally eliminate it.


For computer novice:

If you are not good at computer skills, we recommend you to choose a useful software to help you get rid of Unknown Error 5 issue.
Step 1: Click here to download SmartPCFixer.

Step 2: Double-click to run SmartPCFixer.



Step 3: Click Fix all to repair Unknown Error 5 issue with ease.




Notice: If {Unknown Error 5 is still there, you may need to update PC drivers.

DriverTuner is an easy-to-use driver update software for you to install damaged drivers in 3 steps! Just download drivertuner with simple clicks, remove Unknown Error 5 now.
download drivertuner

For advanced user:

The below steps are used to resolve Unknown Error 5 issue manually.


Method 1: Fixing Unknown Error 5 problem by sfc utility.

SFC is absolutely the most useful way to fix 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:
Click "Start" Button, and type CMD in the searching box. Right-click "CMD", then run as administrator.



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



After the process is finished, you may receive one of the following messages: 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: Repairing Unknown Error 5 by installing drivers manually.

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



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


Method 3: Troubleshooting Unknown Error 5 by system restore.

6 Comments on "How To Solve Unknown Error 5?"

  • Comment by : Vania UK
    Well, your software did a good job! I used it to fix my not found Certmgr Dll easily. Good program for fixing missing dll files.
  • Comment by : Mike FR
    je viens de mise à niveau 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 get update erreur.
  • Comment by : Nguyet
    Smartpcfixer is useful software for me to repair Unknown Error 5.
  • Comment by : Anneliese
    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 are hesitated to try the software.
  • Comment by : Eugena
    Deseved to give it a shot!
  • Comment by : Miyoko
    Thanks for smartpcfixer. The tool help me resolve Unknown Error 5 issue.
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Download Unknown Error 5 Repair Tool *Size : 4.5 MB
Estimated Download Time <60 Seconds on BroadBand