Frm-18105 Failed To Start The Help System |link| -

Right-click > Properties > Advanced System Settings > Environment Variables .

The FRM-18105 error is a relic of the past colliding with modern OS security and file standards. In most cases, migrating from .hlp to .chm (or web-based help) solves the problem permanently. If you’re stuck on legacy .hlp files, the WinHelp32 patch is your best friend. frm-18105 failed to start the help system