Critical items (6) Follow the advices listed to improve the security and/or stability of your computer unless you have a very good reason not to do so.
Critical/high-severity vulnerabilities (5) Critical/high-severity vulnerabilities have been reported for this software version and it must therefore be updated/deleted as soon as possible.
Recommended items (10) We strongly suggest following the advices listed to improve the performance, security and/or stability of your computer.
Medium/low-severity vulnerabilities (2) Medium/low-severity vulnerabilities have been reported for this software version and it must therefore be updated/deleted.
Optional items (38) You may follow the advices listed to bring your computer up to date but this is often not necessary if your computer is working okay.
Software update (26) There is an update for this software.