There is no legitimate software or patch called "Officelrcab." This is almost certainly a typo for a missing Office 2007 setup cabinet file (e.g., OfficeLR.cab ) . Downloading random "fix tools" from search results will likely install malware. Here is the correct way to fix the installation.
If you are installing Office 2007 on a newer version of Windows (like Windows 7 or 10), compatibility issues may trigger this error. Right-click setup.exe and select Properties .
Troubleshooting "officelrcab Download Office 2007 Fixed": Solutions for Missing CAB Files officelrcab download office 2007 fixed
Under the tab, check Hide all Microsoft services , then click Disable all .
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The laser inside your optical drive cannot read the specific sector where the file resides on your Office 2007 disc. If you are installing Office 2007 on a
"Setup cannot find Office.en-us\officelr.cab. Browse to a valid installation source." "Error 1311. Source file not found: officelr.cab."
If the installer continues to fail, you may need to locate the officelrcab file within the installation source manually and extract it.
How to Fix Office 2007 Installation Errors: The Officelr.cab Download Guide