We Have 5 Year Old Replacement Vinyl Windows. A Year After Installation The Area Around The Inside Of The Window Leaked, The Installer Came Out And Recaulked. Mentioned We Should Keep Up With That Yearly. Now 4 Years After That With Recaulking....window Is Still Leaking To The Point It Fills The Frame, Comes Down The Wall Onto The Floor. Any Ideas On How To Repair. Just Recaulked Late Feb O8'still Leaks.