The reason why Windows 8 apps may stop working is that they have not been updated. You may be forced to reinstall the apps in order to get them working again.
you reinstall them
can regular window apps run on windows ce
because you need to reinstall cydia
Reinstall them or check if they are compatible with your firmware.
Delete the faulty app and download it again and reinstall it. If it is still not working you should report the issue to iTunes (See links below).
Apps is short for Applications, the equivalent to Programs in Windows.
As of 2013 the catalog of Windows 8 phone apps has not been made available on the Windows 8 OS.
Games
Delete them and reinstall from the App store.
You can't, you just have to reinstall them
go on bb apps world and redownload it (its free)
You can find a complete list of all apps that are allowed on your PC with Windows 8.1 on the Windows (dot) Microsoft website.