When you edit and then close a Workflow from the K2/Nintex Automation Application page in SharePoint multiple times, the edit buttons stop responding.
The fix is available in:
- Ensure you have the correct K2 version and/or Cumulative update installed. See KB001893 to see what Fix Pack level you have installed.
- Download the latest Fix Pack using the links in the table above for the version you require.
- Install the Fix Pack to apply the fix.