Error acquiring file lock(SBL-GEN-10116)

Problem
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Importing a workflow in Siebel Tools 8.1.1 gives the following error
"Error acquiring file lock(SBL-GEN-10116)"

OS: Windows 7

Fix
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Open Siebel Tools as an Administrator (right click on the Siebel Tools Shortcut and choose "Run as administrator").Import the workflow.This should work fine.