A technician has successfully removed malware from a PC and finds that when the system is rebooted error messages are displayed about missing and corrupt system files. What utility can the technician use to replace or fix any corrupted system files?

The technician can use the System File Checker (SFC) utility to replace or fix any corrupted system files. Here are the steps to use it:

1. Open the Command Prompt as an administrator. You can do this by typing "cmd" into the search bar, right-clicking on "Command Prompt", and selecting "Run as administrator".

2. Once the Command Prompt is open, type "sfc /scannow" and press Enter.

3. The System File Checker will now scan all protected system files and replace corrupted files with a cached copy that is located in a compressed folder at %WinDir%\System32\dllcache.

4. The scan will take some time, so be patient. Do not close the Command Prompt window until the verification is 100% complete.

5. Once the scan is complete, you may receive one of three messages. If you receive the message "Windows Resource Protection did not find any integrity violations", this means that your system does not have any corrupted or missing files. If you receive the message "Windows Resource Protection could not perform the requested operation", this means that the scan was not able to complete and you should restart in safe mode and try again. If you receive the message "Windows Resource Protection found corrupt files and successfully repaired them", this means that the SFC was able to fix the issues.

6. If the SFC is not able to fix the issues, you may