It looks like the issue crops up when the com.apple.mobile.installation.plist doesn’t load properly, though it is not clear what triggers the problem and if the problem. Some users on this reddit thread have reported that removing a jailbreak tweak fixed the issue. Since the tweak in question have been different, it is difficult to pin point the tweak that may be causing the problem.
Thankfully a reddit user have suggested a fix for this problem, Reddit user kozerq writes:
Install MobileTerminal or use OpenSSH and run the command “uicacheâ€. Should reload the com.apple.mobile.installation.plist to fix the icons.
Reddit user ReddestDream recommends another solution if uicache fix doesn’t work:
And if for some reason uicache doesn’t work, you can always delete: /var/mobile/Library/Caches/com.apple.LaunchServces-056.csstore and /var/mobile/Library/Caches/com.apple.mobile.installation.plist That should always solve the problem, though it mess up your icon layout . . .
It is important to note that you should be extremely careful while deleting such system files, as deleting the wrong file could force you to restore your device.
We will keep you updated with more fixes once they hit the web, stay tuned.
Are you facing any kind of problem after jailbreaking your device ?