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Error 1001.InstallUtilLib.dll .. The system can not find the path specified

Question asked by jsn on Apr 12, 2018

Hello everyone,

 

We created a .Net toolbar extension in 10.2 that worked in ArcGIS 10.2. We upgraded the desktop to ArcGIS 10.4. and now when we try to uninstall the tool built in 10.2 the un-installation stops with the message below:

 

Error 1001.InstallUtilLib.dll .. The system can not find the path specified

 

How can we uninstall this toolbar extension.

 

Thanks

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