by Jack Cheen - Tech Analyst
Tips for resolving 1221 (0x4c5)

Suggestions for Repairing 1221 (0x4c5) Problem

  • What Causes 1221 (0x4c5)?

    Windows failed to update to windows 10. Out-of-date driver issues Install a software in a wrong way. Too much bad browser cookies or registries files. Hard drive is full.
  • Common 1221 (0x4c5) you may receive:

    • 1221 (0x4c5)
    • Cannot find [PATH]\1221 (0x4c5)
    • Windows 10 could not be installed
    • Run-time Error XXX, Paste method of worksheet failed.
    • A problem has been detected and Windows has been shut down to prevent damage to your computer.
  • How to Solve 1221 (0x4c5) Problems?

    1221 (0x4c5) problem seems as a time bomb for your computer. When you come across 1221 (0x4c5) issue, you had better find a good solution to get rid of it at once. Otherwise your PC might get serious computer problems, such as Blue Screen, system crash or program freeze. That is to say, it is essential to fix 1221 (0x4c5) error.
Click Here to Download 1221 (0x4c5) Fixer *Size : 4.5 MB
Estimated Download Time <60 Seconds on BroadBand

Follow the below steps on resolving 1221 (0x4c5) in order to finally remove it.


For computer novice:

If you are not good at computer skills, you had better use a good error repair utility to help you troubleshoot 1221 (0x4c5) issue.
Step 1: Click here to download SmartPCFixer.

Step 2: Double-click to run the software.



Step 3: Click Fix all to repair 1221 (0x4c5) issue easily.




Attention: 1221 (0x4c5) problem cannot be resolved by SmartPCFixer, you may need to update computer drivers.

DriverTuner is especially designed for you to download damaged drivers in 3 steps! Scan outdated drivers by simple click the below photos, remove 1221 (0x4c5) immediately.
download drivertuner

For advanced user:

The following steps are used to resolve 1221 (0x4c5) problem manually.


Method 1: Fixing 1221 (0x4c5) problem by sfc utility.

SFC is definitely 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:
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.



Type sfc /scannow and press "Enter" button



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 1221 (0x4c5) by updating drivers manually.

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



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


Method 3: Resolving 1221 (0x4c5) by doing a restore for your PC.

6 Comments on "How To Get rid of 1221 (0x4c5)?"

  • Comment by : Pamula UK
    The software did work! I used it to register my missing Btwizard.dll successfully. Great program for fixing dll missing files.
  • Comment by : Evia FR
    je viens de mise à niveau Windows 10, mon ordinateur runs 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 : Paulita
    Smartpcfixer is useful software for me to fix 1221 (0x4c5).
  • Comment by : Mickie
    Recently, when I am playing online games, I often receive bluescreen problem. 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 : Darcey
    You can give it a shot!
  • Comment by : Myrl
    Many thanks. The utility help me solve 1221 (0x4c5) issue.
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Download 1221 (0x4c5) Repair Tool *Size : 4.5 MB
Estimated Download Time <60 Seconds on BroadBand