System Files Checker (SFC) is a tool that can be run under Command Prompt (CMD). The tool scans the integrity of all protected system files and replaces incorrect versions with correct Microsoft versions. The tool accepts the following commands /SCANNOW Scans integrity of all protected system files and repairs files with problems when possible. /VERIFYONLY Scans integrity of all protected system files. No repair operation is performed. /SCANFILE Scans integrity of the referenced file, repairs file if problems are identified. Specify full path /VERIFYFILE Verifies the integrity of the file with full path . No repair operation is performed. /OFFBOOTDIR For offline repair specify the location of the offline boot directory /OFFWINDIR For offline repair specify the location of the offline windows directory. You may want to open CMD with administrative privileges.…