I’ve tried installing this twice (latest release) on two different machines and I get the same error during the installation. Here is the log file:

[2DA4:2A14][2016-02-09T18:08:05]i001: Burn v3.10.1.2213, Windows v6.0 (Build 6002: Service Pack 2), path: C:\Users\administrator.RRB-FARM\Downloads\SpiceworksNetworkMonitor.exe

[2DA4:2A14][2016-02-09T18:08:05]i009: Command Line: ‘-burn.unelevated BurnPipe.{6BCF1076-407F-45D8-8EFD-DC9CDC4D5658} {0C2FAC4A-3FFC-45A9-B394-89F0A5168E58} 11592’

[2DA4:2A14][2016-02-09T18:08:05]i000: Setting string variable ‘WixBundleLog’ to value ‘C:\Users\ADMINI~1.RRB\AppData\Local\Temp\Network_Monitor_20160209180805.log’

[2DA4:2A14][2016-02-09T18:08:05]i000: Setting string variable ‘WixBundleOriginalSource’ to value ‘C:\Users\administrator.RRB-FARM\Downloads\SpiceworksNetworkMonitor.exe’

[2DA4:2A14][2016-02-09T18:08:05]i000: Setting string variable ‘WixBundleOriginalSourceFolder’ to value 'C:\Users\administrator.RRB-FARM\Downloads'

[2DA4:2A14][2016-02-09T18:08:05]i052: Condition ‘VersionNT > v5.1’ evaluates to true.

[2DA4:2A14][2016-02-09T18:08:05]i000: Setting string variable ‘WixBundleName’ to value ‘Network Monitor’

[2DA4:2A14][2016-02-09T18:08:05]i000: Setting string variable ‘WixBundleManufacturer’ to value ‘Spiceworks’

[2DA4:34F0][2016-02-09T18:08:05]i000: Setting version variable ‘WixBundleFileVersion’ to value ‘1.4.260.0’

[2DA4:2A14][2016-02-09T18:08:05]i100: Detect begin, 2 packages

[2DA4:2A14][2016-02-09T18:08:05]i000: Setting numeric variable ‘UNUSED01’ to value 1

[2DA4:2A14][2016-02-09T18:08:05]i000: Setting string variable ‘NETFRAMEWORK45’ to value ‘379893’

[2DA4:2A14][2016-02-09T18:08:05]i052: Condition ‘NETFRAMEWORK45 >= 378389’ evaluates to true.

[2DA4:2A14][2016-02-09T18:08:05]i101: Detected package: NetFx45Redist, state: Present, cached: None

[2DA4:2A14][2016-02-09T18:08:05]i101: Detected package: NetworkMonitor, state: Absent, cached: None

[2DA4:2A14][2016-02-09T18:08:05]i199: Detect complete, result: 0x0

[2DA4:2A14][2016-02-09T18:08:12]i200: Plan begin, 2 packages, action: Install

[2DA4:2A14][2016-02-09T18:08:12]w321: Skipping dependency registration on package with no dependency providers: NetFx45Redist

[2DA4:2A14][2016-02-09T18:08:12]i000: Setting string variable ‘WixBundleRollbackLog_NetworkMonitor’ to value ‘C:\Users\ADMINI~1.RRB\AppData\Local\Temp\Network_Monitor_20160209180805_000_NetworkMonitor_rollback.log’

[2DA4:2A14][2016-02-09T18:08:12]i000: Setting string variable ‘WixBundleLog_NetworkMonitor’ to value ‘C:\Users\ADMINI~1.RRB\AppData\Local\Temp\Network_Monitor_20160209180805_000_NetworkMonitor.log’

[2DA4:2A14][2016-02-09T18:08:12]i201: Planned package: NetFx45Redist, state: Present, default requested: Present, ba requested: Present, execute: None, rollback: None, cache: No, uncache: No, dependency: None

[2DA4:2A14][2016-02-09T18:08:12]i201: Planned package: NetworkMonitor, state: Absent, default requested: Present, ba requested: Present, execute: Install, rollback: Uninstall, cache: Yes, uncache: No, dependency: Register

[2DA4:2A14][2016-02-09T18:08:12]i299: Plan complete, result: 0x0

[2DA4:2A14][2016-02-09T18:08:12]i300: Apply begin

[2D48:3F64][2016-02-09T18:08:12]i358: Pausing automatic updates.

[2D48:3F64][2016-02-09T18:08:12]i359: Paused automatic updates.

[2D48:3F64][2016-02-09T18:08:12]i360: Creating a system restore point.

[2D48:3F64][2016-02-09T18:08:12]i362: System restore disabled, system restore point not created.

[2D48:3F64][2016-02-09T18:08:12]i370: Session begin, registration key: SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall{80f842c9-0f15-4218-bdaa-90576dfc7844}, options: 0x7, disable resume: No

[2D48:3F64][2016-02-09T18:08:12]i000: Caching bundle from: ‘C:\Users\ADMINI~1.RRB\AppData\Local\Temp\2{80f842c9-0f15-4218-bdaa-90576dfc7844}.be\SpiceworksNetworkMonitor.exe’ to: ‘C:\ProgramData\Package Cache{80f842c9-0f15-4218-bdaa-90576dfc7844}\SpiceworksNetworkMonitor.exe’

[2D48:3F64][2016-02-09T18:08:12]i320: Registering bundle dependency provider: {80f842c9-0f15-4218-bdaa-90576dfc7844}, version: 1.4.260.0

[2D48:3F64][2016-02-09T18:08:12]i371: Updating session, registration key: SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall{80f842c9-0f15-4218-bdaa-90576dfc7844}, resume: Active, restart initiated: No, disable resume: No

[2D48:3374][2016-02-09T18:08:16]i305: Verified acquired payload: NetworkMonitor at path: C:\ProgramData\Package Cache.unverified\NetworkMonitor, moving to: C:\ProgramData\Package Cache{6A4FD04D-142D-4EB0-8C28-5A52F295B5A2}v1.4.00260\NetworkMonitor.

[2D48:3F64][2016-02-09T18:08:16]i323: Registering package dependency provider: {6A4FD04D-142D-4EB0-8C28-5A52F295B5A2}, version: 1.4.00260, package: NetworkMonitor

[2D48:3F64][2016-02-09T18:08:16]i301: Applying execute package: NetworkMonitor, action: Install, path: C:\ProgramData\Package Cache{6A4FD04D-142D-4EB0-8C28-5A52F295B5A2}v1.4.00260\NetworkMonitor, arguments: ’ ARPSYSTEMCOMPONENT=“1” MSIFASTINSTALL=“7”’

[2D48:3F64][2016-02-09T18:08:26]e000: Error 0x80070661: Failed to install MSI package.

[2D48:3F64][2016-02-09T18:08:26]e000: Error 0x80070661: Failed to execute MSI package.

[2DA4:2A14][2016-02-09T18:08:26]e000: Error 0x80070661: Failed to configure per-machine MSI package.

[2DA4:2A14][2016-02-09T18:08:26]i319: Applied execute package: NetworkMonitor, result: 0x80070661, restart: None

[2DA4:2A14][2016-02-09T18:08:26]e000: Error 0x80070661: Failed to execute MSI package.

[2D48:3F64][2016-02-09T18:08:26]i318: Skipped rollback of package: NetworkMonitor, action: Uninstall, already: Absent

[2DA4:2A14][2016-02-09T18:08:26]i319: Applied rollback package: NetworkMonitor, result: 0x0, restart: None

[2D48:3F64][2016-02-09T18:08:26]i329: Removed package dependency provider: {6A4FD04D-142D-4EB0-8C28-5A52F295B5A2}, package: NetworkMonitor

[2D48:3F64][2016-02-09T18:08:26]i351: Removing cached package: NetworkMonitor, from path: C:\ProgramData\Package Cache{6A4FD04D-142D-4EB0-8C28-5A52F295B5A2}v1.4.00260\

[2D48:3F64][2016-02-09T18:08:26]i372: Session end, registration key: SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall{80f842c9-0f15-4218-bdaa-90576dfc7844}, resume: None, restart: None, disable resume: No

[2D48:3F64][2016-02-09T18:08:26]i330: Removed bundle dependency provider: {80f842c9-0f15-4218-bdaa-90576dfc7844}

[2D48:3F64][2016-02-09T18:08:26]i352: Removing cached bundle: {80f842c9-0f15-4218-bdaa-90576dfc7844}, from path: C:\ProgramData\Package Cache{80f842c9-0f15-4218-bdaa-90576dfc7844}\

[2D48:3F64][2016-02-09T18:08:26]i371: Updating session, registration key: SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall{80f842c9-0f15-4218-bdaa-90576dfc7844}, resume: None, restart initiated: No, disable resume: No

[2DA4:2A14][2016-02-09T18:08:27]i399: Apply complete, result: 0x80070661, restart: None, ba requested restart: No

2 Spice ups

You don’t list your OS so some notes.

NM requires a 64bit OS

NM does not work running on Windows 10

NM requires Net 4.5.2 to be installed.

Can you confirm these are true?