Proteus or arduino problem?

[sssuchiha]

mixed model AVR2.DLL failed to authorize - Missing or invalid Customer Key.. [SIM1]
Real Time Simulation failed to start.
Simulation FAILED due to fatal simulator errors.

getting almost same error whenever arduino comes into play in arduino....please help!!

[sssuchiha]

This is the problem which appears again and again

[missdrew]

NOT an Arduino problem. Contact your software supplier.

[sssuchiha]

Please give me some link to download proteus professional

[sterretje]

Something wrong with your search skills?