This is the most common reason installers fail on Windows 7 today.
Background services (especially old Adobe IPC Broker services or third-party security software) can corrupt the installer mid-check.
Steps:
Sync system date/time & region
Disable antivirus & firewall temporarily adobe damaged installer fix photoshop windows 7 top
Run installer as administrator
Adobe’s installer integrity check relies on Visual C++. If VC++ is broken, the installer reports itself as “damaged.” This is the most common reason installers fail
Steps:
Pro tip for Win7: You specifically need VC++ 2015-2022 (x86 and x64). Without these, CC installers will always show as damaged. Sync system date/time & region