当我单击“安装更新”时，进度条显示“准备安装”文本，然后它消失，我再次看到有关更新的文本和按钮“安装更新”。
当我单击“安装更新”时，事件日志中没有记录任何事件。WindowsUpdate.txt 日志如下所示：
2015-05-10 00:10:22:304 352 7d8 AU Launched new AU client for directive 'Download Approval', session id = 0x1
2015-05-10 00:10:22:314 3492 6e0 Misc =========== Logging initialized (build: 7.6.7601.18804, tz: +0200) ===========
2015-05-10 00:10:22:314 3492 6e0 Misc = Process: C:\Windows\system32\wuauclt.exe
2015-05-10 00:10:22:314 3492 6e0 AUClnt Launched Client UI process
2015-05-10 00:10:23:934 2568 c88 WUApp No EULA acceptance needed
2015-05-10 00:10:23:934 352 430 AU AU received approval from Ux for 19 updates
2015-05-10 00:10:23:934 352 430 AU AU setting pending client directive to 'Progress Ux'
2015-05-10 00:10:28:324 3492 6e0 Misc =========== Logging initialized (build: 7.6.7601.18804, tz: +0200) ===========
2015-05-10 00:10:28:324 3492 6e0 Misc = Process: C:\Windows\system32\wuauclt.exe
2015-05-10 00:10:28:324 3492 6e0 Misc = Module: C:\Windows\system32\wucltux.dll
2015-05-10 00:10:28:324 3492 6e0 CltUI FATAL: Failed to connect to AU engine to get notification handle, hr=80040155
2015-05-10 00:10:28:324 352 7d8 AU AU received handle event
2015-05-10 00:10:28:324 352 7d8 AU No featured updates notifications to show
2015-05-10 00:10:28:324 352 7d8 AU UpdateDownloadProperties: 0 download(s) are still in progress.
2015-05-10 00:10:28:324 352 7d8 AU Piggybacking on an AU detection already in progress
2015-05-10 00:10:28:324 352 7d8 AU AU setting pending client directive to 'Install Complete Ux'
2015-05-10 00:10:28:324 352 7d8 AU WARNING: Pending directive, 'Install Complete Ux', is not applicable
2015-05-10 00:10:28:324 352 7d8 AU AU setting pending client directive to 'Download Approval'
2015-05-10 00:10:28:324 352 7d8 AU Successfully wrote event for AU health state:0
2015-05-10 00:10:29:004 352 430 AU WARNING: Returning due to error from GetDownloadProgressUx, error = 0x8024000C
2015-05-10 00:10:29:004 352 430 AU WARNING: GetInteractiveInstallProgress failed, error = 0x8024000C
2015-05-10 00:10:29:004 2568 c88 WUApp WARNING: Call to GetInteractiveInstallProgress failed, hr=8024000C
2015-05-10 00:10:29:004 2568 c88 WUApp WARNING: Call to DeserializeInstallResults failed, hr=80243003
2015-05-10 00:10:29:004 2568 c88 WUApp WARNING: Unable to display installation results, hr=80243003
我的 Windows 是 64 位的。我尝试了多个在线解决方案，但都没有奏效。如何修复 Windows 更新？