error 0x800700e8

[nabbetto]

setup failed

log file

[1278:143C][2016-08-12T12:06:34]i001: Burn v3.11.0.226, Windows v6.1 (Build 7601: Service Pack 1), path: C:\Users\wot2\AppData\Local\Temp\{0398F313-EA46-4EA5-B636-1780D5ED594A}\.cr\TankLeader Installer (1).exe
[1278:143C][2016-08-12T12:06:34]i000: Initializing string variable 'InstallFolder' to value '[PersonalFolder]TankLeader'
[1278:143C][2016-08-12T12:06:34]i009: Command Line: '"-burn.clean.room=E:\win\dati\TankLeader Installer (1).exe"'
[1278:143C][2016-08-12T12:06:34]i000: Setting string variable 'WixBundleOriginalSource' to value 'E:\win\dati\TankLeader Installer (1).exe'
[1278:143C][2016-08-12T12:06:34]i000: Setting string variable 'WixBundleOriginalSourceFolder' to value 'E:\win\dati\'
[1278:143C][2016-08-12T12:06:34]i000: Setting string variable 'WixBundleLog' to value 'C:\Users\wot2\AppData\Local\Temp\TankLeader_20160812120634.log'
[1278:143C][2016-08-12T12:06:34]i000: Setting string variable 'WixBundleName' to value 'TankLeader'
[1278:143C][2016-08-12T12:06:34]i000: Setting string variable 'WixBundleManufacturer' to value 'Bossland GmbH'
[1278:0FFC][2016-08-12T12:06:35]i000: Setting numeric variable 'WixStdBALanguageId' to value 1033
[1278:0FFC][2016-08-12T12:06:35]i000: Setting version variable 'WixBundleFileVersion' to value '2.1.316.0'
[1278:143C][2016-08-12T12:06:35]i100: Detect begin, 2 packages
[1278:143C][2016-08-12T12:06:35]i000: Setting string variable 'NETFRAMEWORK45' to value '394271'
[1278:143C][2016-08-12T12:06:35]i052: Condition 'NETFRAMEWORK45 >= 394254' evaluates to true.
[1278:143C][2016-08-12T12:06:35]i101: Detected package: NetFx461Web, state: Present, cached: Complete
[1278:143C][2016-08-12T12:06:35]i101: Detected package: TankLeader, state: Absent, cached: None
[1278:143C][2016-08-12T12:06:35]i052: Condition 'Installed OR (NOT (VersionNT = v6.0)) OR (ServicePackLevel >= 2)' evaluates to true.
[1278:143C][2016-08-12T12:06:35]i052: Condition 'Installed OR (NOT (VersionNT = v6.1)) OR (ServicePackLevel >= 1)' evaluates to true.
[1278:143C][2016-08-12T12:06:35]i199: Detect complete, result: 0x0
[1278:0FFC][2016-08-12T12:07:07]i000: Setting string variable 'InstallFolder' to value 'C:\tankleader'
[1278:143C][2016-08-12T12:07:09]i200: Plan begin, 2 packages, action: Install
[1278:143C][2016-08-12T12:07:09]w321: Skipping dependency registration on package with no dependency providers: NetFx461Web
[1278:143C][2016-08-12T12:07:09]i000: Setting string variable 'WixBundleRollbackLog_TankLeader' to value 'C:\Users\wot2\AppData\Local\Temp\TankLeader_20160812120634_000_TankLeader_rollback.log'
[1278:143C][2016-08-12T12:07:09]i000: Setting string variable 'WixBundleLog_TankLeader' to value 'C:\Users\wot2\AppData\Local\Temp\TankLeader_20160812120634_000_TankLeader.log'
[1278:143C][2016-08-12T12:07:09]i201: Planned package: NetFx461Web, state: Present, default requested: Present, ba requested: Present, execute: None, rollback: None, cache: No, uncache: No, dependency: None
[1278:143C][2016-08-12T12:07:09]i201: Planned package: TankLeader, state: Absent, default requested: Present, ba requested: Present, execute: Install, rollback: Uninstall, cache: Yes, uncache: No, dependency: Register
[1278:143C][2016-08-12T12:07:09]i299: Plan complete, result: 0x0
[1278:143C][2016-08-12T12:07:09]i300: Apply begin
[1278:143C][2016-08-12T12:07:09]i010: Launching elevated engine process.
[1278:143C][2016-08-12T12:07:26]i011: Launched elevated engine process.
[1278:143C][2016-08-12T12:07:26]e000: Error 0x800700e8: Failed to wait for child to connect to pipe.
[1278:143C][2016-08-12T12:07:26]e000: Error 0x800700e8: Failed to connect to elevated child process.
[1278:143C][2016-08-12T12:07:26]e000: Error 0x800700e8: Failed to actually elevate.
[1278:143C][2016-08-12T12:07:26]e000: Error 0x800700e8: Failed to elevate.
[1278:143C][2016-08-12T12:07:26]i399: Apply complete, result: 0x800700e8, restart: None, ba requested restart:  No

solution?