The answer to 'my faucet installation is leaking' is that a leaky faucet is usually caused by a faulty washer or seal. The most common symptoms are water dripping from the faucet, even when it's turned off, and a slow drip that gets worse over time. To fix a leaky faucet, you'll need to disassemble the faucet, replace the worn washers and seals, and reassemble it properly.
If you're comfortable working with plumbing fixtures, this is often a DIY repair that can be done relatively easily. However, if you're not experienced with faucet repairs or the leak is severe, it's best to call a professional plumber. They can quickly diagnose the issue and make the necessary repairs to stop the leak and prevent further water damage.