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2.5 Uninstallation (mod. 04/27/2003) 

To uninstall the Rosetta distribution, click on option Start / Programs / Rosetta / Dsinstallation Rosetta.
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As the Rosetta distribution can be installed above an AsTeX installation, the four main environment variables ASTEXBAS, ASTEXDIR, HOME and ROSETBAS are left as they are, as well as the directory structure with root \ast. To uninstall completely Rosetta, one must :
  1.  Remove from the file autoexec.bat the lines that are between rem --- Configuration for Rosetta begins here and rem End of configuration for Rosetta for Windows.
  2.  Remove the environment variable ROSETBAS from the registry database. If the AsTeX distribution was not already installed, remove also ASTEXBAS et ASTEXDIR. At last, remove HOME if this variable is not used by other programs. All these variables are situated under the key HKEY_- CURRENT_USER\Environment for all versions of Windows (from Windows 95 to Windows XP).
  3.  If the AsTeX distribution was not already installed, delete the contents of directory C:\ast from Windows Explorer (or from the directory contained in ASTEXDIR if you defined this variable as indicates in sec. 6.6).
If you installed updates of Windows libraries with the button Ini Navig , il is not necessay to uninstall them : the updates are more recent and thus are supposed to contain bug corrections and additional functions. In case there is a problem, the list of libraries updated can be deduced from the contents of the directory astexdis\navig of the CD-ROM.

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