Occasionally you may experience errors starting Studio. Here are some suggested solutions.
See Switching your Workspace to help find your current workspace location
This can happen as a result of an improper shutdown of Studio. To resolve the issue, you need to delete a .lock file.
These are errors pop up a dialog box, asking you to look at a log file
Open the log file at the specified location. If you see messages like:
org.osgi.framework.BundleException: Exception in org.eclipse.core.resources.ResourcesPlugin.start() of bundle org.eclipse.core.resources. ... Caused by: org.eclipse.core.internal.dtree.ObjectNotFoundException: Tree element 'XXX' not found.
It is caused by this bug in Eclipse, most likely due to a case where Studio quit or was closed unexpectedly, corrupting a particular file.
Steps to fix:
This will start Studio, but your workspace will most likely be missing your projects. This is okay--you can quickly reimport them
If Studio does not appear to work properly, you can try and launch it with a -clean option.
A file might be causing trouble when Studio is restarted because it is very large or in some way corrupted. There are a couple of ways you could prevent Studio from loading the file.