: These programs can run in the background, consuming resources and causing the very "lag" they claim to fix.
Ensure your system is patched. Many "Google fixes" for PC errors are simply solved by running the latest official Microsoft updates. Safe Alternatives for Deep Cleaning
Search for "Disk Cleanup" in your Start menu to safely remove temporary files and system junk. Windows Security:
There is no documented evidence that cleaning the registry improves PC speed; in fact, modifying it can cause "serious issues" that Microsoft does not support.