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Therefore, the test was repeated using a software to measure the computer’s startup speed. It must be noted that it is considerably challenging to accurately measure computer’s startup time manually by using a stopwatch, as what was done in the previous test.
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startup time before cleaning, can be seen here: (video links no longer available) Test 3: Windows startup time measured with software The video recording of measuring the system’s baseline startup time, i.e.
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Three products provided a measurable performance improvement to Windows startup times, there products were Auslogics Registry Cleaner, AVG PC TuneUp and jv16 PowerTools, which improved the startup time by 8.53%, 5.69% and 30.81%, respectively.If you wish to verify these results, you can view the video recording of this testing session by clicking the video link from the results table above.

Since the startup time measurements were done by hand using a stopwatch, any improvement under 5% should be considered clearly within the margin of error. Trying to clean the found items with Little Registry Cleaner caused it to crash, therefore it could not to be tested.Īs can be seen from the results above, most registry cleaners had a minimal, under 5% improvement to the system’s startup time. It was not possible to test Comodo System Utilities, because its button to start the scan remained disabled.
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It was not possible to test CleanMyPC Registry Cleaner or Registry Cleaner Expert, because these products do not allow cleaning of any found errors without buying the full product.
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After each software was used, the system was restored to its original state using the virtual machine’s snapshot restore feature.Ĭleaning the Windows 10 system with registry cleaners had the following impact on the system’s startup time: Software Product Next, the system was cleaned by each registry cleaner product, the system was restarted one time to apply the changes and restarted two times with the startup time measured. The startup times were: 107, 104, 95 and 108 seconds, resulting a median startup time of 105.5 seconds. To establish a baseline, the system was restarted four times and its startup time was recorded. This was done before and after the system was cleaned with the registry cleaner products. Using the same test environment with all the same software as in the previous test, the system’s startup times were manually measured using a stopwatch. If you wish to verify these results, you can view the video recording of this testing session here: (video no longer available) Test 2: Windows startup time measured with a stopwatch Wise Registry Cleaner was used using its deep scan feature. CCleaner’s results only include the number of registry errors it reports, the software’s file system cleaning module also found 633 temporary files. It was not possible to test Comodo System Utilities, the button to start scanning remained disabled and could not be clicked.

After these software were installed, all the registry cleaner products were installed to the same system and ran using their default settings. Some popular software were installed to the Windows 10 test environment, such as 7-Zip, Audacity, Google Chrome, IrfanView, K-Lite Codec Pack, Norton Security, Notepad++, OpenOffice,, SUPERAntiSpyware and VLC Media Player. Seems rebranded version of CleanMyPC Registry Cleaner.īrowser popup. Seems rebranded version of Registry Clean Expert. Software Productĭisplays a browser popup. Each software was downloaded from their official website and installed using their default settings. The following products were tested in this benchmark of registry cleaners. For instance, all the testing has been recorded in both video and screenshots, links to see these recordings for each tested software are provided below. VerifiabilityĪll possible measures have been taken to ensure the verifiability and credibility of these these benchmark results. The products tested were chosen simply with a Google search of Windows registry cleaners and the top ten results were picked. The virtual machine was run on a host computer running Ubuntu Linux 16.04 LTS (64 bit) with Intel Quad Core i7-6700K CPU 4 GHz, 32 GB RAM with a system disk of Samsung SSD 850 EVO. The testing was performed using an Oracle VirtualBox (version: 5.0.26 r108824) virtual environment running Windows 10 with 4 CPU cores, 8 GB of RAM and without any internet connectivity.

In recent years, Macecraft Software has published a total of five registry cleaner product comparison studies which have attempted to answer questions about the quality of different registry cleaning products as well as what kind of effects they can have on your system. These tests were performed in October of 2016 Introduction
