This is because of a corrupted file in the Registry Booster data files. To resolve this issue, please follow these steps:
First uninstall Registry Booster as shown hereunder:
1) Make sure that Registry Booster is not running (also close the system tray icon next to the Windows system time).
(To completely close the program click on the (X) in the top right corner and then right-click on the system tray icon and choose "Exit")
2) Goto Start -> Control Panel -> Add Remove Programs
3) Locate the entry "Uniblue Registry Booster" in the list of installed applications
4) Click once on this entry and then click the button "Remove"
5) When prompted if you want to remove this application click "Yes"
This will remove Registry Booster from your computer.
Now download the latest version of Registry Booster from the following link:
http://download.uniblue.com/ub/main/rb/registrybooster.exe
Installing the new version should fix the issue you are encountering with the C++ Runtime Error.