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Paper Tape
Posts: 5
Registered: ‎05-07-2017
Location: US
Message 1 of 11 (809 Views)

Dialog Window flashes on my screen X1C5

Have X1C5 with Windows 10 Pro and randomly, maybe once an hour or two, a program randomly runs for a milisecond, so fast that I can't see what it is.  It opens up a small box, potentially a DOS windows/dialog box, but it's not black - I don't think - but it literally lasts a milisecond.  All I am doing at the time is surfing the web on chrome.  Not sure if I explained this well enough, but anyone have an idea? 

Guru
Posts: 9,479
Registered: ‎12-26-2009
Location: CA
Message 2 of 11 (775 Views)

Re: Dialog Window flashes on my screen X1C5

How often does this happen? Try closing some background software (task tray items) and seeing if it stops; maybe it's attributable to one of these.

W520: 2960XM, Q2000M @ 1091/1380, 32GB RAM, 500GB&750GB HDD & 500GB SSD, FHD&MB168B+
X61T: L7500, 4GB RAM, 500GB HDD, XGA screen, Ultrabase
W550s: 5600U, K620M at 1164/1281, 16GB RAM, 512GB SSD, 3K touchscreen
X200s: SL9400, 6GB RAM, 64GB SD card, WXGA+ screen
TPT1: 1839-23U
Punch Card
Posts: 30
Registered: ‎05-15-2017
Location: US
Message 3 of 11 (765 Views)

Re: Dialog Window flashes on my screen X1C5

[ Edited ]

I have seen this 3 times since yesterday.

 

1. Computer was sitting on table and saw a quick popup like you describe. A few seconds later I get notification that Defender had completed a scan. I didn't think much of it and wrote it off to Defender.

 

2. Black DOS type screen popped up and quickly disappeared.

 

3. Just now reading this forum on Edge browser, another quick DOS looking popup that quickly went away..

 

Edit to add:

 

Not sure if related but I noticed my clock changed. I certainly didn't make the change and not sure exactly when it happened.. My clock in the taskbar had moved 7 hours forward. Instead of reading 6:00 AM like it should have been it was reading 1:00 PM..

 

Odd and again, not sure if these mystery dialog boxes were the cause..

 

 

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X1C 5th Gen -- Silver
Punch Card
Posts: 30
Registered: ‎05-15-2017
Location: US
Message 4 of 11 (722 Views)

Re: Dialog Window flashes on my screen X1C5

OP did you ever figure this out? It kept happening to me so I reset and wiped the drive. Reinstalled with Lenovo recovery media and it's happening again..

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X1C 5th Gen -- Silver
Paper Tape
Posts: 5
Registered: ‎05-07-2017
Location: US
Message 5 of 11 (720 Views)

Re: Dialog Window flashes on my screen X1C5

No. Haven't figured it out. Part of me worries that someone is hacking me / virus however unlikely that is but that's my only explanation so far that I can figure out.

Punch Card
Posts: 30
Registered: ‎05-15-2017
Location: US
Message 6 of 11 (715 Views)

Re: Dialog Window flashes on my screen X1C5

[ Edited ]

I don't think it's a hack or a virus as I just did a clean install with HD format... I ran task scheduler and right after I got the DOS popup, these are what showed up:

 

1. Office Subscription Maintenance

2. OfficeBackgroundTaskHandlerRegistration

 

I am sure it has to be one of the 2 that are listed as the log was clear before I ran it..

 

 

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X1C 5th Gen -- Silver
Punch Card
Posts: 30
Registered: ‎05-15-2017
Location: US
Message 7 of 11 (709 Views)

Re: Dialog Window flashes on my screen X1C5

[ Edited ]

Think I nailed it down... OfficeBackgroundTaskHandlerRegistration

 

To fix:

 

1. Go to Task Scheduler 

2. Select Task Scheduler Library

3. Select Microsoft

4. Select Office

5. Right click on OfficeBackgroundTaskHandlerRegistration

6. Select DISABLE

 

I think this is the issue.. Office still appears to work fine. I'll monitor and see if I get any more of the popups..

 

 

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X1C 5th Gen -- Silver
Highlighted
Punch Card
Posts: 30
Registered: ‎05-15-2017
Location: US
Message 8 of 11 (679 Views)

Re: Dialog Window flashes on my screen X1C5

After doing the above I was still getting popups so I moved OfficeBackgroundTaskHandler from user account to system. This did solve the issue but lead me to further research..

 

The issue was widespead and the solution was to simply update office.. The jist is that even if you have auto office updates on, it was not doing so. Aparently MS pushed a fix for this issue and it's in the update..

 

To update office see this:

 

https://support.office.com/en-us/article/Install-Office-updates-2ab296f3-7f03-43a2-8e50-46de917611c5

 

Problem now solved and no DOS popups since updating office..

 

 

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X1C 5th Gen -- Silver
Guru
Posts: 9,479
Registered: ‎12-26-2009
Location: CA
Message 9 of 11 (671 Views)

Re: Dialog Window flashes on my screen X1C5

Nice diagnosis and solution!

W520: 2960XM, Q2000M @ 1091/1380, 32GB RAM, 500GB&750GB HDD & 500GB SSD, FHD&MB168B+
X61T: L7500, 4GB RAM, 500GB HDD, XGA screen, Ultrabase
W550s: 5600U, K620M at 1164/1281, 16GB RAM, 512GB SSD, 3K touchscreen
X200s: SL9400, 6GB RAM, 64GB SD card, WXGA+ screen
TPT1: 1839-23U
Paper Tape
Posts: 5
Registered: ‎05-07-2017
Location: US
Message 10 of 11 (649 Views)

Re: Dialog Window flashes on my screen X1C5

Awesome. Thank you!
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