As we know, adware and trojan can cause the pc crash by modifying or destroying the registry so that the pc won't execute normally. After the virus and virus are uninstalled, the registry is also changed or destroyed, so your pc will still execute slow and also has many problems. That's why you must fix the registry, and many trojan and the virus leave many Useless data in your pc, so this will cause a large number of strange problems and also affect your pc performance.
To get your pc execute as fast as before or much faster than before,
1. Download and install RegUtility.
2. Run a full scan of your registry.
3. Click "Repair All" and repair all errors detected.
After these 3 easy steps, Regutility will make your computer run like new.