Optimizing registry is simply a two step process.
When you see the registry optimizer and defrager Window it has two buttons of
our interest.
Compact Results
Optimize Now
Compact Results
This is the first step to continue with the registry compactation. It will compact the registry and give you the detailed information about the original un-optimized registry and optimized registry. Registry is not compacted or replaced now. It is only to show you brief summary and results of optimization process. You may discard the changes at any time by exiting the Registry Optimizer and Defrager.
Optimize Now
Optimize Now, Defrags the registry in the background. To replace your un-optimized registry with the optimized one you will have to restart your system. Registry Optimizer and Defrager will ask you to restart your system. Please note that if you skip to restart your system you will still be using your un-optimized registry.
Important Notes:
While compactation process you may notice slowdown or some of your programs not responding. It is perfectly normal as only one program is allowed to access the registry. Registry Optimizer and Defrager to prevent errors locks the registry during optimization process.