If copying the files manually fails due to a cyclic redundancy check (CRC) error, the physical disc is damaged. You can attempt to create a clean ISO image using an image-burning tool (such as ImgBurn) set to a slow read speed. Slowing down the laser can sometimes recover data from scratched media. Once the ISO is created, Windows 10 and Windows 11 allow you to right-click the file and select to run the setup virtually. Method 3: Use a Backup Archive or Verified Full Installer
Copying all media sectors directly to your local solid-state or hard drive forces Windows to bypass unstable optical drive read-caches. Setup cannot find Office.en-us\officeLR.cab - Microsoft Q&A officelrcab download office 2007 fixed
If your officelr.cab file is truly missing or broken, you may need a fresh copy of the installation files. If copying the files manually fails due to
: Ensure you are running the setup file with administrative privileges to bypass permission-related file access issues. Microsoft Learn Why this happens OfficeLR.cab Once the ISO is created, Windows 10 and
Press Ctrl + A to select all files and folders, then press Ctrl + C to copy them.