Last week, I was troubleshooting an issue where my PC starts waking up randomly overnight. Sometimes, it would wake up immediately after going into hibernation.
Apparently I was not alone. Kirk Hamilton from kotaku ran into the same issue as well, and he wrote an article about it. Funny thing is that I went through the exact same troubleshooting process. I was going to document my findings, but now I guess I can just share his article ;)
The Endless Quest To Make My Windows PC Stay Asleep Overnight
Ref:
Windows 10 wakes randomly from hibernate - Microsoft Community
Update Orchestrator Reboot - Microsoft Community
windows - Disable UpdateOrchestrator Reboot task - Super User
Administrator account not allowed to disable UpdateOrchestrator Reboot - Microsoft Community
How to permanently stop Windows 10 reboots after installing updates
NotFAQs
Yet another set of not so frequently asked questions
Thursday, February 22, 2018
Sunday, February 4, 2018
Win10: unremoveable language keyboard
I was poking around the language settings, and somehow I ended up with 2 language keyboards which I was unable to remove through the UI. I ended up editing registry in order to fix it.
- open
regedit
- navigate to
HKEY_CURRENT_USER\Keyboard Layout\Preload
0x00000409
corresponds to English (United States). Rename it's key name to 1 if necessary, and then remove all other extra keys- logout
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layout\DosKeybCodes
Saturday, February 3, 2018
Win10: remove optional language feature
- Navigate to Windows Settings > Apps & features > Manage optional features
- Locate the optional feature you want to uninstall, select Manage
- It will switch to the Region & language screen which is quite confusing. Under the language list, remove the undesired language
- Now navigate back to Manage optional features, the previously selected feature should be removed
Cannot remove languages from Optional Features - Microsoft Community
Wednesday, January 24, 2018
Win10: Profile picture location
If you ever wonder where the profile picture is stored on Windows 10, it is located at:
You can simply navigate to the following path:
C:\Users\your_username\AppData\Roaming\Microsoft\Windows\AccountPictures
You can simply navigate to the following path:
%appdata%\Microsoft\Windows\AccountPictures
Thursday, November 16, 2017
Firefox: Reset certificate database
I was testing a secure server connection over SSL with a self-signed certificate. Typically, Firefox would show a warning about the self-sign certificate along with an "Advanced" option which allows us to add an exception for the site. However, recently I ran into an error code:

I was able to resolve this by deleting the
SEC_ERROR_REUSED_ISSUER_AND_SERIAL
, which doesn't have the option to grant the exception. I tried going into the Certificate Manager and remove the previous exceptions but the error persisted.
I was able to resolve this by deleting the
cert8.db
which basically reset the certificate database. The cert8.db
is located in your Firefox profile:C:\Users\<username>\AppData\Roaming\Mozilla\Firefox\Profiles\<profile_name>
Wednesday, September 13, 2017
KeePass: show password by default
version: KeePass 2.36
By default, KeePass masks the password with **** (asterisks). To disable it,
1. go to
2. select the
3. un-check
Ref:
KeePass Password Safe 2.12: Unhiding Passwords? - Super User
By default, KeePass masks the password with **** (asterisks). To disable it,
1. go to
View > Configure Columns...
2. select the
Password
column3. un-check
Hide data using asterisks
Ref:
KeePass Password Safe 2.12: Unhiding Passwords? - Super User
Saturday, September 2, 2017
KeePass: disable auto-generated password for new entries
version: KeePass 2.36
When adding a new entry in KeePass, it auto-generates a password for you by default. This may not always be desirable.
To turn off auto password generation:
1. go to
2. set
3. click the save icon
4. in the
Ref:
KeePass / Discussion / Help:How to disable Password Generator
When adding a new entry in KeePass, it auto-generates a password for you by default. This may not always be desirable.
To turn off auto password generation:
1. go to
Tools > Generate Password...
2. set
length of generated password
to 03. click the save icon
4. in the
Save as Profile
prompt, select (Automatically generated passwords for new entries)
Ref:
KeePass / Discussion / Help:How to disable Password Generator
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