Memory-cleaner programs may appear to free up system memory, but they usually don't do much to cure low system-memory problems.

Instant Memory Cleaner is a free download for Windows XP and Vista systems only. Instant Memory Cleaner [via Download Squad] ...

Memory Cleaner 2.0 is now available for a limited time only at the special sale price of US$5.99, after which it will return to its normal price of $9.99. Memory Cleaner 2.0 is available worldwide ...