Even in portable mode, these tools attempt to force the IDM extension into Chrome, Edge, and Firefox. Is it Safe? The Risks of Using Unofficial Patchers
Modern applications often implement self-integrity checks. The application calculates the hash of its own executable code at runtime. If the file has been modified (e.g., by a patcher), the hash changes, and the application may refuse to run or revert to "trial mode." idm 6xx patcher v26exe portable
Some versions of the v26 patcher include a "Reset Trial" function that wipes previous IDM data from the Windows Registry. Even in portable mode, these tools attempt to