-- Posted by achtani jeetu at 4:55 am on June 21, 2008 actually the thing is i had read some where that registry cleaners are not that much effective to our system. becaz some time the entry which is looked like unnecessary in reality it is necessary. so i just need to know say if i m not using these cleaners so how can i remove invalid entries and what is the solution to this prob.  will really appreciate  your responce and thankful to ur suggestions.. regards alll ........ -- Posted by Duke at 4:58 am on June 21, 2008 It is generally recommended when you know very little about working with the registry, that you just leave it alone. There are some very good ones out there, but like the people of LW, they can't read your mind and know what's good or bad.