Basic checks (fast)
Some third-party repackers have created “fixed” versions by re-archiving the language resources with corrected checksums or by stripping corrupted headers. However, – a “fixed” CAB from an unknown source could easily contain malware.
Even if you think you have uninstalled all prior versions of Office, leftover registry entries and hidden files can cause the officelrcab error. A thorough cleanup is often necessary.
: If the file exists on the disc but isn't being detected, search the installation media for OfficeLR.cab . Manually copy it into the Office.en-us
Temporarily disable your antivirus software or Windows Real-time Protection.
Use the Microsoft Office Uninstall Support Tool to completely scrub existing Office files.
Check "Run this program in compatibility mode for" and select . Check Run as administrator and click OK. 4. Perform a "Clean Boot"
While the search query shows a genuine user need, the practical risks outweigh the benefits. The correct fix is to locate a from a safe archival source, or better yet, migrate to a supported office suite.