What is the danger of ?

ankspon

When using pc cleaners such as C Cleaner,Glary utilities etc the free versions, you can often find on the web free codes which will give you the full paid for version.What is the danger of using these if they work.I tried a couple on an old laptop i have and the codes worked.The codes are on youtube etc so i am not downloading anything from dodgy sites.

JJ_Egan

CCleaner is freeware and probably the safest cleaner to use .

As to using keys on paid for software .
Obviously you may get something nasty with it .
Keys have a habit of being blacklisted frequently .
But above all Warez and the like is just plain old fashioned theft .

bluesnake

these cleaners look for "standard" entries and leaves them alone, and often ask to delete the "strange" entries.

They usually work very well on bog standard home machines, however if your machine deviates from the norm, then it could make a bad problem worse.

Run CCleaner on a corporate pc and you may end up having to wipe the pc and re-install as it is faster, On my attempt it wiped the PAC file, killed the work proxy config, the policy became corrupt, profile just would not work, took the PC off the domain and did
something to the TCP setting that i did not bother to investigate, but there was no network connectivity. Probably did a bit more damage than the initial investigation found.

Do a backup first, and make sure you are able to do a restore before something goes wrong.