While recently released updates are making SkyDrive Pro Client for Windows more and more resilient, there are situations where the sync status will sadly report the generic error An error occurred while attempting to synchronize this tool.
Here is how to reset the configuration (and therefore lose it entirely):
- Quit/Stop/Kill all Applications related to SkyDrive Pro (aka Groove aka SharePoint WorkSpace): groove.exe, Office Applications, Windows Explorer and Internet Explorer
- Delete the content of the folders C:Users%username%AppDataLocalMicrosoftOfficeSpw and C:Users%username%AppDataLocalMicrosoftOffice15.0OfficeFileCache
- Start again the SkyDrive Pro Client () and other Applications previsouly closed at step 1
- Re-enter the SkyDrive Pro Configuration manually…
Note: I’ve notices 2 things breaking the SkyDrive Pro sync: changing/renaming the final download folder (usually C:Users%username%SharePoint) and attempting to sync with site whose name and URL contain special characters.
You might want to have a look at the updates already made available and specific to the SkyDrive Pro Client for Windows: http://www.marc-lognoul.me/itblog-en/page/SharePointSkyDrive-Pro-Client-Updates-and-Related.aspx.
Note 2: For those still confused with SkyDrive and SkyDrive Pro, this applied exclusively to the Pro