While updating or reinstalling the Wallet it may happen that the syncing process is stuck at a certain blockheight, or the Wallet is not progressing at all. There are two known solutions for this behavior.
Make sure to back-up your wallet first: How-to
Try a Wallet -resync using the building repair tools:
In the Wallet go to “Tools” → “Wallet Repair”
Select “Delete local Blockchain Folders”
This process will delete any non-crucial files and folders to be able to restore/resync once more from scratch.
If for some reason you still encounter issues of any form when synchronizing your Wallet. Then please follow these steps below:
Close the Wallet
Open the %appdata%/rpicoin folder (linux: ~/.rpicoin/ )
Delete all the files as shown in the screenshot
Start the Wallet and let is fully sync