Explanation:

Visual Studio 2010 can't use the local workspaces created using Visual Studio 2012 or higher versions. The local workspace feature was introduced starting Visual Studio 2012.

Solution:

Create the workspace using Visual Studio 2010 to share or use the same workspace across Visual Studio 2010 and higher versions.

Solution:

"Find by Status" and "Find by Wildcard" plug-ins are from TFS power tools. You need to install TFS power tools to gain access to "Find by Status" and "Find by Wildcard" menus.

Explanation:

The mentioned error occur when the TFS URL is not properly configured for client access.

You can figure out the invalid URL location of the image by right-click --> Properties on the image in the Work Item field 

Solution for Web Access client

1. Log on to TFS app tier
2. Open "TFS Administartion Console"
3. Select "Application Tier" node
4. Check whether the "Notification URL" in the "Application Tier Summary" is configured with FQDN.
5. If not configure as expected, then configure the URL with FQDN by clicking on "Change URL" as follows 

Solution for Visual Studio IDE

1. Close all Visual Studio IDE and IE instances
2. Open IE.
3. Add *.<your TFS domain>.com to the local intranet settings

4. 

5. Open Visual Studio IDE to verify the missing image

Explanation:

Ensure the proxy settings are set correct. You may face TFS connection issues when the proxy settings 
have changed or are incorrect.

Note: The .NET and Visual Studio use the proxy settings from Internet Explorer 

Error Message:

"Connection to the Team Foundation server http://servername:8080/tfs/defaultcollection has been restored." 

Solution:

• Open build notifications options window
• Deselect the build definitions that have been deleted
• Close the options window
• Open build notifications options window again
• Make sure that the deselected build definitions are disappeared from the list of build definition in build notification tool.

Build notification tool does not remove the deleted build definition automatically.