From Argente Software:
Argente - Registry Cleaner Portable can safely clean and repair problems in the Windows registry with just a few clicks of the mouse. By using a registry cleaner regularly and repair your registry, your system will not only be more stable but it will also help Windows and its software to run more quickly. Argente - Registry Cleaner uses a detection algorithm for high performance quickly identify missing and invalid references in your Windows registry. Argente - Registry Cleaner Portable scans your entire registry looking for invalid entries and provide you with a list of the errors found in the registry. Corrects error trying to delete a specific type of value in CacheMUI on Windows Vista.