Script tool dialog startup error "access is denied"

[curtvprice]

Has anyone seen this error message when trying to start a Python script tool?

An error has occurred in the script on this page.
Access is denied.
file:///c:/Users/username/AppData/Roaming/ESRI/Desktop10.1/ArcToolbox/Dlg / MdDlgContent.htm

[ATTACH=CONFIG]17585[/ATTACH]

After you select OK the script tool opens and the tool executes fine.

[curtvprice · Accepted solution]

The user that reported this issue could solve it by resetting their user profile. After doing this the error popup stopped appearing.

1. Close all ArcGIS desktop applications
2. Rename the folder "%APPDATA%\ESRI" to ESRI_old

[MathewCoyle]

Haven't seen it myself, came across this though.
http://forums.esri.com/Thread.asp?c=93&f=1148&t=173933