Highly reliable; widely tested by the community. Cons: Requires boot sector modifications; may not work on UEFI systems.
Microsoft frequently updated its anti-piracy definitions through Windows Update (most notably via update KB971033). When a system modified by Chew7 attempts to download updates, it can result in a broken update pipeline. The system may fail to install critical security patches, leaving the machine vulnerable to exploits. In worse cases, a future update might detect the modification and render the system completely unbootable. Legitimate Alternatives for Operating System Activation chew7 v11 build 0684 windows 7 activate