Honeywell MAXPRO NVR Series Hardware Installation And Configuration Manual page 205

Upgrade to MAXPRO NVR 4.9 Bui ld 204
MAXPRO NVR 5.0 Installation and Configuration Guide
Note:
While upgrading the client to 5.0, a System Warning dialog with Unknown Hard
Error message is displayed
Cause: This issue may occur due to conflict between third party applications or
due to system file corruption.
Solution: Refer and perform the steps as explained in the Microsoft link
https://answers.microsoft.com/en-us/windows/forum/windows_8-
performance/explorerexe-system-warning-dialog-with-unknown/4c0be311-c9d5-
46e7-b352-c8656f5c0226?auth=1
Or
https://www.drivethelife.com/windows-10/fix-unknown-hard-error-windows-
10.html
Upgrade to 4.9 is supported as explained below:
• From NVR 4.0 87 Rev H to NVR 4.9 Build 204
• From NVR 4.0 97 Rev B to NVR 4.9 Build 204
• From NVR 4.1 Build 123 Rev B to NVR 4.9 Build 204
• From NVR 4.5 Build 162 Rev B to NVR 4.9 Build 204
• From NVR 4.7 Build 188 to NVR 4.9 Build 204
To upgrade to MAXPRO NVR 4.9 Service Pack
1. Double click MAXPRO NVR 4.9 Setup.exe. The WinRAR self extracts the files and
displays the Windows update message.
2. Click Yes to proceed, the installation wizard starts and the Welcome page appears.
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