A central processing unit (CPU) is the hardware within a computer that carries out the instructions of a computer program by performing the basic arithmetical, logical, and input/output operations of the system.
Fixing it is really simple:
Open the “Project” menu from the menubar
Choose “Manage Schemes…”
Your corrupt scheme should be in red, remove it
Click the “Autocreate Schemes Now” button
After this you should be able to build again!
Why can you trust Google.com by trusting GeoTrust?
A website wants to communicate with you securely. In order to prove its identity and make sure that it is not an attacker, you must have the server's public key. However, you can hardly store all keys from all websites on earth, the database would be huge and updates would have to run every hour!