“The selected file is not a valid solution file” error when trying to open source safe database

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how to solve issue “The selected file is not a valid solution file” error when trying to open source safe database in visual studio 2010 ultimate, please advise me.

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“The selected file is not a valid solution file” error when trying to open source safe database in visual studio 2010 ultimate

Posted 27-Dec-16 19:49pm

Bahaa Rashed

Updated 18-Dec-19 8:18am

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Maciej Los · Accepted Answer · 2016-12-27T20:09:00

As far as i know there's at least few reasons of that error message;

wrong installation of update or VS feature - reinstall it/disable it
file name or path is too long - change the name of file or move file(s)/solution into another location (with shorten path)
not enough privileges - make sure you run VS as an administrator
.sln file. contains Null values or empty entries - restore .sln file from backup or try to get this file in TFS[^] working version; for further details, please see: Back up and restore data for TFS[^]

Good luck!