Run SFC /scannow in Command Prompt as Administrator
- Open Command Prompt (Admin) in your Windows.
- Type into the command line SFC /scannow.
- Hit the key Enter.
Then the System Files Checker will scan all protected system files. If there are corrupted files, it will replace them with a cached copy located in a compressed folder. It will take some time to do that and you need to wait until this process is finished.
Common Messages You May Receive after Running SFC Command
When System Files Checker complete it work, the scan result will be shown. You’ll see a message that tells about the scanning.
“Windows Resource Protection did not find any integrity violations.”
If everything is fine in your Windows computer, this message will show on the dialog box. You can close it and continue to fix your system issue with other methods.
“Windows Resource Protection found corrupt files and successfully repaired them.”
This means System File Checker has detected and repaired the corrupted system files during the running of SFC /scannow command. If you care about the details, go to view them via the given path or in Event Viewer.
“Windows Resource Protection found corrupt files but was unable to fix some of them.”
If you receive this message, you can view details via the given path and find the corrupted files, and then replace them with the right copy ones. Also, you can enter the safe mode, and then run the sfc /scannow command again to repair the files.
How to Fix Dvd3dAn.dll Errors?
Download the Dvd3dAn.dll error Repair Tool.
First, open DLLEscort, click on the "File Repair" to the right of the input file name and click download
After the download is complete, find the corresponding version of the file, click on "Open"
This will open Explorer, then you'll see the file, right-copy
Copy it to the corresponding directory
Next, you need to do a full system scan