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--- windows_notes [2022/04/06 16:48] – [create a file starting with dot in explorer] raju
+++ windows_notes [2023/11/24 19:52] – raju
@@ Line 1: / Line 1: @@
 ===== dummy =====
+==== search button in taskbar not working ====
+Symptom: The search button in the task bar does not respond to the keyboard.
+Fix: Reboot the search process
+ctrl+alt+del -> Task Manager -> Processes -> Search -> Search -> End Task
+==== wifi password ====
+  Control Panel\Network and Internet\Network and Sharing Center
+  -> View your active networks -> click the link after "Connections:"
+  -> which will be something like Wi-Fi (SSID)
+  -> Wireless Properties -> Security -> Network security key
+  -> Show characters -> enter the admin password
+==== Check windows version ====
+<code>
+winver
+</code>
+==== Set environment variables ====
+Using the run prompt (windows key + r)
+<code>
+rundll32 sysdm.cpl,EditEnvironmentVariables
+</code>
+Using the cmd prompt
+<code>
+C:\Windows\System32\rundll32.exe sysdm.cpl,EditEnvironmentVariables
+</code>
+==== unset environment variable ====
+To temporarily unset an environment variable
+<code>
+set FOOBAR=
+</code>
+This will remove the variable from the current environment (not permanently).
+Ref:- https://stackoverflow.com/questions/13222724/command-line-to-remove-an-environment-variable-from-the-os-level-configuration
+==== dump environment variables ====
+user environment variables
+<code>
+reg query HKEY_CURRENT_USER\Environment > user_env_vars.txt
+</code>
+system environment variables
+<code>
+reg query "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment" > system_env_vars.txt
+</code>
+tested on | windows 7
+script - [[https://github.com/KamarajuKusumanchi/rutils/blob/master/bin/windows/dump_env_vars.bat | dump_env_vars.bat]] (github.com/KamarajuKusumanchi)
+Ref - https://stackoverflow.com/questions/573817/where-are-environment-variables-stored-in-registry
+==== refresh environment variables ====
+tags | git bash reread environment variables
+If you update an environment variable and want to use the new value in an existing git bash session,
+ download the refreshenv.sh script from https://github.com/badrelmers/RefrEnv and call it from bash with ''source /path/to/refrenv.sh''
+Tested it on:
+  * git bash is running inside conemu 191012 <code>$ git --version
+git version 2.34.1.windows.1
+$ bash --version
+GNU bash, version 4.4.23(1)-release (x86_64-pc-msys)
+</code>
+  * OS: Windows 10 Enterprise
 ==== list of installed packages ====
 ''Control Panel -> Programs and Features'' shows the list of installed packages.
@@ Line 53: / Line 124: @@
       * started using it from 2020-11
       * Using 64-bit version of 1.3.5
-==== wifi password ====
-  Control Panel\Network and Internet\Network and Sharing Center
-  -> View your active networks -> click the link after "Connections:"
-  -> which will be something like Wi-Fi (SSID)
-  -> Wireless Properties -> Security -> Network security key
-  -> Show characters -> enter the admin password
 ==== clear recent files list ====