The file w30_src.dll is a component of the Source Window Browser for WinOnCD from CeQuadrat. CeQuadrat was purchased by Adaptec, and became part of Roxio, so you will find this program listed under different brand names. The WinOnCD CD Recording Software is for recording both data and audio CDs from your computer, including back-ups that span multiple discs.
If you are seeing an error with the w30_src dynamic link library file, you may need to reinstall the WinOnCd software to solve the problem. You should first try cleaning your registry, as most dll file errors are registry related. The registry is where Windows keeps track of everything installed on your computer. If there is a mistake in the registry, you’ll get an error.
ZookaWare PC Cleaner cleans up registry mistakes. Rather than hunting through the registry manually, set ZookaWare PC Cleaner to the task and let it go through the thousands of registry entries looking for and fixing mistakes. ZookaWare PC Cleaner will get your computer humming along again. Try a free ZookaWare PC Cleaner scan to see if your registry needs to be cleaned.