Many "all-in-one" installers are bundled with PUPs (Potentially Unwanted Programs) or scripts that can compromise your browser and system security.
If you want the full PopCap experience without the security risks, there are several legitimate (and often very cheap) ways to get the "full collection" feel: 200 in 1 popcap game collection full all games free
Multiple language versions of the same title. The Risks of "All Games Free" Downloads Must-Play Games in Any PopCap Collection No collection
For games that are truly "lost" or no longer sold, the Internet Archive’s software library sometimes hosts original trial versions or web-based versions that can be played safely in a browser. Must-Play Games in Any PopCap Collection No collection is complete without these definitive titles: Plants vs. Zombies: The quintessential tower defense game. Peggle Deluxe: A perfect mix of pachinko and pinball. Bejeweled 3: The peak of the match-3 genre. Zuma’s Revenge: High-speed marble shooting action. Bejeweled 3: The peak of the match-3 genre
Since Electronic Arts (EA) acquired PopCap, almost the entire catalog is available through EA Play. If you have an Xbox Game Pass subscription, you already have access to the "Ultimate PopCap Collection" legally.