When I have run Ccleaner (registry cleaner)and deleted the findings,They are found again at the next scan.Please can anyone tell my how to delete the findings safely and completely.Below are the findings.
Invalid or empty file class .bmp\OpenWithProgids\PopArtStudio.Image HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.bmp\OpenWithProgids
Invalid or empty file class .gif\OpenWithProgids\PopArtStudio.Image HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.gif\OpenWithProgids
Invalid or empty file class .png\OpenWithProgids\PopArtStudio.Image HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.png\OpenWithProgids
Invalid or empty file class .tif\OpenWithProgids\PopArtStudio.Image HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.tif\OpenWithProgids
Invalid or empty file class .tiff\OpenWithProgids\PopArtStudio.Image HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.tiff\OpenWithProgids
Invalid or empty file class .wps\OpenWithProgids\wps_auto_file HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.wps\OpenWithProgids