For some users, LibreOffice 3.5.3 will not run at all, even after allowing the Visual C++ runtimes to install. This is the topic for that bug.
Fix 2: Fixes fonts and VC runtime
First, please try LibreOfficePortable.exe launcher fix 2. Download and replace your current launcher in the LibreOfficePortable directory. It has correct detection of an installed VC runtimes and fixes the font issue of some apps not responding to windows messages (like Chrome's plugin container).