We have detected your current browser version is not the latest one. Xilinx.com uses the latest web technologies to bring you the best online experience possible. Please upgrade to a Xilinx.com supported browser:Chrome, Firefox, Internet Explorer 11, Safari. Thank you!

AR# 64271

Vivado - When attempting to open a project I see: ERROR: [Project 1-547] Unable to launch tcl proc!


I am seeing the below error when trying to open a project:

[Project 1-547] Unable to launch tcl proc!

I am unable to open any project or generate a new one.

The message below appears directly after the Create a new Project Wizard:


This error occurs when the Xilinx Tcl App Store repository has become corrupted.
To resolve this issue, run the following command:
If the command does not work for any reason, the Tcl App Store can be reset manually by deleting the following directory:
(%APPDATA% on Windows 7 is usually located under C:\Users\{your_login}\AppData\Roaming)
AR# 64271
Date Created 04/15/2015
Last Updated 04/28/2015
Status Active
Type General Article
  • Vivado Design Suite