Common errors
Fix LibreOffice installation errors on Windows
Error 1303 or 1304 — insufficient privileges
Installer cannot write to Program Files
Run the MSI as administrator: right-click > Run as administratorError 1714 — older version cannot be removed
Previous LibreOffice version blocking install
Uninstall old version via Settings > Apps, reboot, then reinstallMSI installer rolls back after starting
Corrupted download or disk space issue
Re-download the MSI file; check you have 1 GB free disk spaceSmartScreen blocks the installer
Windows security warning for new publisher
Click More info > Run anyway. MSI is signed by The Document FoundationInstall hangs at "Registering components"
Antivirus scanning installer files
Temporarily disable antivirus during install, re-enable afterClean reinstall
Clean reinstall of LibreOffice on Windows
- 1
Uninstall LibreOffice
Settings → Apps → LibreOffice → Uninstall. Also check for any LibreOffice language packs and uninstall those too.
- 2
Delete remaining folders
C:\> rmdir /s /q "C:\Program Files\LibreOffice"# Optional — removes user settings (resets preferences):C:\> rmdir /s /q "%APPDATA%\LibreOffice" - 3
Reboot and reinstall
Restart Windows, then download a fresh MSI and install.
FAQ
Error questions
LibreOffice install fails on Windows 11
Windows 11 may require the installer to run as administrator even if you are in the admin group. Right-click the .msi file and select Run as administrator. Also make sure Windows SmartScreen is not silently blocking it — check the taskbar for a notification.
LibreOffice MSI error 1603 — fatal error during installation
Error 1603 is a general MSI failure. Most common causes: insufficient disk space (need ~1 GB free), antivirus blocking install, or a previous installation conflict. Fix: free up disk space, disable AV temporarily, uninstall any previous LibreOffice version and reboot before reinstalling.