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Editorial Team
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Asked: 2026-05-20T23:02:15+00:00

Got this error whenever I try to compile something: F1027 Unit not found: ‘System.pas’

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Got this error whenever I try to compile something: “F1027 Unit not found: ‘System.pas’ or binary equivalents (.dcu)”.

Got it after installing a component, removed it, reinstalled RAD studio, but still same.

In order to get it fixed, I need the Library path and browsing path. Please anybody post yours so I get it working.

A workaround I found is including the path “$(BDS)\lib\win32\debug” to Library path, but this is not the correct way. So I need your paths. Thanks!

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1 Answer

  1. Editorial Team

    This is from the HKLM\Software\Embarcadero\BDS\8.0\Library key in the registry – you can save it to a .reg file and then import it (making any necessary fixes to the paths first, of course):

    Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Embarcadero\BDS\8.0\Library]
"Browsing Path"="$(BDS)\\SOURCE\\VCL;$(BDS)\\source\\rtl\\common;$(BDS)\\SOURCE\\RTL\\SYS;$(BDS)\\source\\rtl\\win;$(BDS)\\source\\ToolsAPI;$(BDS)\\SOURCE\\IBX;$(BDS)\\source\\Internet;$(BDS)\\SOURCE\\PROPERTY EDITORS;$(BDS)\\source\\soap;$(BDS)\\SOURCE\\XML;$(BDS)\\source\\db;$(BDS)\\source\\Indy10\\Core;$(BDS)\\source\\Indy10\\System;$(BDS)\\source\\Indy10\\Protocols;$(BDS)\\source\\database;"
"Debug DCU Path"="$(BDSLIB)\\$(Platform)\\debug;$(BDS)\\RaveReports\\Lib"
"HPP Output Directory"="$(BDSCOMMONDIR)\\hpp"
"Language Library Path"="$(BDSLIB)\\$(Platform)\\release\\$(LANGDIR);$(BDS)\\lib\\$(LANGDIR)"
"Package DCP Output"="$(BDSCOMMONDIR)\\Dcp"
"Package DPL Output"="$(BDSCOMMONDIR)\\Bpl"
"Package Search Path"="$(BDSCOMMONDIR)\\Bpl"
"Translated Debug Library Path"="$(BDSLIB)\\$(Platform)\\debug\\$(LANGDIR)"
"Translated Library Path"="$(BDSLIB)\\$(Platform)\\release\\$(LANGDIR)"
"Translated Resource Path"="$(BDSLIB)\\$(Platform)\\release\\$(LANGDIR)"
"Search Path"="$(BDSLIB)\\$(Platform)\\release;$(BDSUSERDIR)\\Imports;$(BDS)\\Imports;$(BDSCOMMONDIR)\\Dcp;$(BDS)\\include;C:\\Program Files\\Raize\\CS4\\Lib\\RS-XE;;$(BDS)\\RaveReports\\Lib"

    For MSBuild to work properly (and for project configurations), you need to make sure the following environmental variable is set properly:

    PLATFORM=ANYCPU
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