| CertWatch | System Cleanup | System Mechanic Ultimate Defense | Windows Defender Definition Updates | |
| 1.0 | 1.7.501 | 26.0.0.10 | February 01, 2026 | |
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| Freeware | Freeware | Trialware | Freeware | Licence |
| FREE | FREE | $44.19 | FREE | Price |
| 0.11 MB | 0.53 MB | 59.50 MB | 204.00 MB | File size |
| Apr 10, 2016 | Jan 7, 2008 | Dec 30, 2025 | Feb 1, 2026 | Update |
| 45 | 76 | 55 | 120 | Downloads |
| Windows Vista, Windows Vista x64, Windows 7 x32, Windows 7 x64, WinOther, WinServer, Windows Vista, Windows Vista x64, Windows Vista, Windows Vista | Windows 2000, Windows 2003, Windows XP, Windows 7 | Windows 11, Windows 10 32/64 bit, Windows 8 32/64 bit, Windows 7 32/64 bit | Windows 11, Windows 10 32/64 bit, Windows 8 32/64 bit, Windows 7 32/64 bit, Windows Vista | OS |
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