Revert "BZ - 1003498 : When creating process with existing name the old process is silently overwritten"

This reverts commit f36ddc2958f6e4926d9ef418ae863ff9aa48c53b.
Revert "BZ - 1003498 : When creating process with existing name the old process is silently overwritten"

This reverts commit 7de397eac7d6dd985dbe53310b1ebfceb2f48854.
BZ - 1003498 : When creating process with existing name the old process is silently overwritten
Merge pull request #25 from mswiderski/file-error

BZ - 1003498 : When creating process with existing name the old process is silently overwritten