For anyone doing SharePoint development I have one of the best tips I would recommend to anyone (a coworker of mine, Bo Cherry, found this tip). You can add a solution with just right clicking on a WSP. No more stsadm commands (mostly). You have to edit your registry (don’t forget to back it up first), but it is well worth it. From what I have seen, if you use the right click option, you have less trouble deploying solutions than just using stsadm to deploy.
Just open notepad, add the following code and save as a .reg file.
Now double...