I have seen a couple of threads talking about similar topics but none of them provided a solution
My vista 64 home premium worked fine until last week.
All applications started without problems and I was happy.
One day, I tried to click on some recently launched applications (such as Firefox which is my default internet browser) but this time, it didn't launch
When double-clicking, nothing was happening...
I tried with many other applications, even the Windows Vista ones such as media player and... the same... VLC media player, Firefox, Avira (my antivirus), IE 32 bits,... nothing launches!
The only apps apparently not impacted are IE7 64bit, Notepad and Comodo (firewall).
Both Windows Defender and Firewall are up and running but nothing happens when I deactivate Comodo and Windows defender/firewall. Still the same.
I don't know if this is related to a previous update installation (it's on automatic) but I can't make use of my laptop in such conditions.
Your help would be highly appreciated