Installation guide

4. To test Cygwin, type the following commands to see whether a help message or an error is
displayed:
bash -help
grep -help
sed -help
tr -help
gawk -help
5. If you see an error message similar to the following after one or more of the -help commands:
This application has failed to start because cygwin1.dll was not found.
Re-installing the application may fix this problem.
Perform the clean-up task described in the following section, then reinstall Cygwin, as described
in the section after that.
Cleaning up the existing Cygwin installation
If you received errors on Cygwin commands, clean up the installation.
CAUTION!
Serious problems might occur if you modify the registry incorrectly. These problems might
require that you reinstall your operating system and we cannot guarantee that these problems
can be solved.
We recommend that you back up the registry before you change it, so that you can back out
the changes, if necessary.
To clean up the existing Cygwin installation
1. Delete the C:\cygwin directory.
2. Open regedit and delete the following registry keys
• HKEY_LOCAL_MACHINE\SOFTWARE\Cygnus Solutions
• HKEY_LOCAL_MACHINE\SOFTWARE\Cygwin
Reinstalling Cygwin
After cleaning up the existing Cygwin installation, you can reinstall it.
To reinstall Cygwin
1. From the OracleInstall media, run setup.bat to automatically install Cygwin.
2.
After the Cygwin installation is complete, press Ctrl + C to exit the OracleInstall installation
script.
AS300 Upgrade Guide—IMPAX 5.2 or 5.3 to IMPAX 6.5.3 75
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