To the first Error: " Cannot launch the Update UI. This installation has not been configured properly for Software Updates."
=> re-enable the old Update user interface by enabling the "Classic Update" capability on the General > Capabilities preference page.
to the second error:
"No repository found containing: org.eclipse.update.feature,org.eclipse.help.source,1.1.1.R35x_v20090811-7e7eFAnFEx2XZoYwvOe8duD"
=> Duplicate of Bug 445376
To the first Error: " Cannot launch the Update UI. This installation has not been configured properly for Software Updates."
=> re-enable the old Update user interface by enabling the "Classic Update" capability on the General > Capabilities preference page.
to the second error: update. feature, org.eclipse. help.source, 1.1.1.R35x_ v20090811- 7e7eFAnFEx2XZoY wvOe8duD"
"No repository found containing: org.eclipse.
=> Duplicate of Bug 445376