If you update and try to connect to the server and find that there are errors delete the pack and reinstall...also the mod pack runs best in Linux...not being bias just saying.
Can always use some help...icons....background...mod sugestions
Install Planet Bob
Step 1
Installing a modpack using the Technic Launcher is easy. If you don't already have the launcher downloaded, visit our download page to get the latest version.
Step 2
Type in the modpack name (Planet Bob) or paste the following url into the search box.
Step 3
Finally, click Install at the bottom right of the launcher after you select Planet Bob from the list on the left. The launcher will handle everything else!