You should never take Click-down-space.pw slightly
Click-down-space.pw is classified as an adware which can be troublesome. Usually, you may get infected by this adware via free downloads. Malicious links, hacked websites and spam emails attachments are its other sources. Once infected, it may keep redirecting you to its page. It claims that your software on your PC may be out of date. To avoid vulnerabilities and reduce crashes, you need to update. It says it's your Google Chrome need to update and it gives you some reasons of the update. So some users can be easily cheated. They just click to download and lead other threats to their PCs.