In the emulation community, "Highly Compressed" files are notorious for carrying malware. Because the file size is small, people download it quickly without checking. Often, these files require a password or a special "decompressor" that is actually a virus.
Download a free extraction tool like or WinRAR . Right-click your downloaded Black Ops file and select "Extract Here." This will yield the actual .iso , .wbfs , or .nkit file. Step 2: Download Dolphin Emulator Call Of Duty Black Ops Wii Iso Highly Compressed
Use a tool like WinRAR or 7-Zip to extract the file. You will see a .wbfs or .iso file. In the emulation community, "Highly Compressed" files are