Avast! Free Antivirus 5.0.594

- improved interaction with Windows System Restore; namely, avast now auto-repairs itself when it detects a corrupted VPS due to a System Restore (or other reasons)
- aswSP.sys: solved a minor stability issue
- solved a problem related to inserting of the license files
- added the activation code feature
- solved a problem when avast was progressively slowing down (especially in conjunction with the screensaver)
- performance improvements in the Behavior Shield
- avast Screen saver now accessible even in 64-bit Windows Vista
- stability improvement in aswTdi.sys (solved a compatibility problem with AVG)
- IS firewall: solved a potential BSOD condition
- various improvements in the avast! sandbox module
- minor fixes in the GUI
- added Catalan and Belarusian language packs