topic Error message - Error123 The filename, directory name, or volume label syntax is incorrect. in ArcGIS Desktop Installation Support Questions https://community.esri.com/t5/arcgis-desktop-installation-support-questions/error-message-error123-the-filename-directory-name/m-p/808590#M1344 <HTML><HEAD></HEAD><BODY><P>One of the machines in my office was recently upgraded to ArcGIS 10.6.1. The software was working after the initial installation, but after a wile any attempt to open ArcMap&nbsp; or ArcCatalog would generate the following error message:</P><P>Error123: The filename, directory name, or volume label syntax is incorrect.</P><P>The error is generated by&nbsp;Visual Basic for Applications (R) Core.</P><P></P><P>Will be great if anyone can help with an idea what this message means and how to resolve the problem?</P></BODY></HTML> Fri, 16 Aug 2019 14:50:11 GMT Anonymous User 2019-08-16T14:50:11Z Error message - Error123 The filename, directory name, or volume label syntax is incorrect. https://community.esri.com/t5/arcgis-desktop-installation-support-questions/error-message-error123-the-filename-directory-name/m-p/808590#M1344 <HTML><HEAD></HEAD><BODY><P>One of the machines in my office was recently upgraded to ArcGIS 10.6.1. The software was working after the initial installation, but after a wile any attempt to open ArcMap&nbsp; or ArcCatalog would generate the following error message:</P><P>Error123: The filename, directory name, or volume label syntax is incorrect.</P><P>The error is generated by&nbsp;Visual Basic for Applications (R) Core.</P><P></P><P>Will be great if anyone can help with an idea what this message means and how to resolve the problem?</P></BODY></HTML> Fri, 16 Aug 2019 14:50:11 GMT https://community.esri.com/t5/arcgis-desktop-installation-support-questions/error-message-error123-the-filename-directory-name/m-p/808590#M1344 Anonymous User 2019-08-16T14:50:11Z