See below the procedure to update or recreate the Field Helps of Protheus:
First, download the following file.  
Image Modified For Protheus 11, click here...
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• Customer Portal {+}http://suporte.totvs.com+ - Menu Downloads and Updating - Protheus Line - Microsiga Protheus Version 11 - All - Category: Field Help/question - Download the Field Help/Questions - BRASIL
  Note: if versions are not being displayed, in "Filters of packages", select "All packages available", then select the category again.
  
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        Image Modified For Protheus 12, click here...
• Customer Portal: {+}http://suporte.totvs.com+ - Menu Downloads and Updating - Protheus Line - Microsiga Protheus Version 12.1 - All - Category: Field help/question - Download the FIELDS HELP/DIFFERENTIAL QUESTIONS - BRAZIL and FIELDS HELP/FULL QUESTIONS - BRAZIL
  Note: if versions are not being displayed, in "Filters of packages", select "All packages available", then select the category again.
  
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        After downloading the package, unzip files .txt to the folder Systemload of Protheus.
        To update, stop Protheus service, access System and:
• For fields help in Portuguese, delete the sigahlp.hlp file.
• For fields help in English, delete the sigahlp.hle file.
• For fields help in Spanish, delete the sigahlp.hls file.
  Restart Protheus service. When accessing the system, the help is recreated from unzipped .txt. An image of alert is displayed during the updating of files:
  Image Modified