Downloading "cracked" versions from third-party sites frequently leads to system compromise. Official sources like the E2ESOFT website are the only way to guarantee the software is safe for your computer. iVCam Purchase Instructions - E2ESOFT
To remove watermarks and ads permanently, you should purchase a license directly from the developer, E2ESOFT. This ensures you receive clean software and future security updates.
You can use all of iVCam's features for free through the official E2ESOFT Purchase Instructions page. The free version includes a watermark in the top-left corner and occasional advertisements.