Question 1: How to thoroughly clean an installed software? The first time you installed it, you left the registration information in the registry, so it's useless for you to install it again. Try using the perfect uninstall. Deleting the registry manually is too dangerous. Besides, I don't know which record it is. Forget it.

Question 2: How to completely delete the installation software record and uninstall it with 360 security housekeeper, or manually uninstall it yourself, and then delete the desktop shortcut or start menu. Finally, see if there is a folder corresponding to the game in the Prpgram file of disk C. If yes, delete. If you can still see this, then you win!

Question 3: How to delete the installation record! 1. Start → Run →regedit Run → OK.

2. Bring up the registry editor

3. Look down for the name of the software whose record needs to be deleted. Right click → Delete.

4. Finally complete the functional business.

Question 4: How to clear the installation record and open the control panel-> Management tools-> Computer management, you can find a lot of USB records under mobile storage.

You can delete it like this:

1. Add the environment variable devmgr_shownonpresent_devices to the system with the value of 1.

2. Run the Device Manager and open it to view the hidden devices. Expand disk drives and storage volumes, and put those related USB flash drives.

Kill.

3. Open Computer Management and delete the removable storage.

4. Delete the system environment variable added in 1.

Up to now, it may not be possible to delete all u *** usage records in the registry. In HKEY_LOCAL_MACHINE\

There may be usage records in system \ controlset002 \ enum \ usbstor, and then open the powerful regedt3.

2 tools, find the item, modify the permissions, and then delete the subitem. In addition, HKEY _ Local _ Machine \ System \ Control

Some Set002\Enum\USB devices related to USB mass storage devices should also be deleted.

Clear the use record of USB flash drive in the registry.

1, press start-> to run, and enter the command: regedit in the input box.

2. Delete the USBSTOR subkey of the following directory in the registry.

( 1)HKEY _ LOCAL _ MACHINE \ SYSTEM \ control set 00 1 \ Enum \ USB stor

(2)HKEY _ LOCAL _ MACHINE \ SYSTEM \ control set 002 \ Enum \ USB stor

(3)HKEY _ LOCAL _ MACHINE \ SYSTEM \ control set 003 \ Enum \ USB stor

(4)HKEY _ LOCAL _ MACHINE \ SYSTEM \ current control set \ Enum \ USB stor

After deleting the above USBSTOR subitem, general security software cannot check it.

If it is necessary to completely clear the USB usage record, after completing the above operation, you can follow the following operation flow:

1. Delete all records except ROOT_HUB and ROOT_HUB20 under the following USB subkeys.

( 1)HKEY _ LOCAL _ MACHINE \ SYSTEM \ control set 00 1 \ Enum \ USB

(2)HKEY _ LOCAL _ MACHINE \ SYSTEM \ control set 002 \ Enum \ USB

(3)HKEY _ LOCAL _ MACHINE \ SYSTEM \ control set 003 \ Enum \ USB

(4)HKEY _ LOCAL _ MACHINE \ SYSTEM \ current control set \ Enum \ USB

Permission operation is consistent with the above operation.

2. Delete some subitems with the words u ***, such as a5d ... and 53f ... under the equipment category.

( 1)HKEY _ LOCAL _ MACHINE \ SYSTEM \ Control set 00 1 \ Control \ device classes \ { a5 dcbf 10-6530- 1 1 D2-90 1f-00c 04 FB 95 1ed }

(2)HKEY _ LOCAL _ MACHINE \ SYSTEM \ Control set 002 \ Control \ device classes \ { a5 dcbf 10-65......& gt& gt

Question 5: How to completely delete the installation record of the app? In fact, at present, Apple does not provide the function of deleting the purchased goods, but we can hide the purchased goods and achieve the same effect. Here is a brief introduction to how to hide the purchased items.

1. First, please open the iTunes software and click the "iTunes Store" button in the upper right corner of the software.

2. After opening the iTunes Store page, drag it to the bottom of the page with the mouse and click the "purchased items" option in the lower right corner.

3. If you haven't logged in Apple ID on iTunes before, you will be asked to enter your Apple ID and password. After entering the account number and password, click the "Login" button.

4. Next, you will see all the goods purchased on iPhone and iPad. Click iPhone or iPad to change the display order.

5. Place the mouse on the application icon you want to hide, and a small "X" option will appear in the upper left corner of the application icon. Click it to hide the purchased items.

Question 6: How to completely clear the installation record of software and delete the registry information of software?

Question 7: How to clear the installation record of OFFICE? Use MicrosoftFixit, a special uninstall tool for office, to clean up the original office, or use Windows Install Clean, a self-produced uninstall software produced by Microsoft Corporation, to forcibly uninstall the original office. Delete all folders and files with office on drive C, and then clean up the garbage and compile tables.

Question 8: How to completely delete the record of qq in computer program files \ Tencent \ QQ \ Users delete your number from the directory where you installed QQ.

Under the folder C:\Program Files\Tencent\qq, delete the folder named after the qq number we don't need, and don't delete the number we need. Then find "AutoLogin.dat" and "LoginUinList.dat" in QQ folder and delete them. "AutoLogin.dat" is an automatic login file, and the LoginUinList.dat file stores the information of all login numbers of this machine.

Then restart QQ and the number in the login dialog box disappears.

Question 9: How to directly delete the installation records and uninstall all source files and installation information?

First, in the start menu, click: Control Panel.

Second, open it and click: uninstall the program.

Third, in the relevant installer interface, select the name of the software to be uninstalled, and click Uninstall.

1. Start → Run →regedit Run → OK.

2. Bring up the registry editor

3. Look down for the name of the software whose record needs to be deleted. Right click → Delete.

4. Finally complete the functional business.

Question 10: Why did I delete Photoshop and reinstall it? Are there any records of previous operations? Please note that the display is hidden. Follow-up: Oh, not bad. It's quite useful How to set up automatic clearing operation records when exiting Photoshop? Answer: Don't ask anything else, it will be deleted automatically. What you want to delete is not the operation record, but the preset file. There is an error in your preset file, and the operation record will be automatically cleared when you exit PS. Q: What do you mean? But my PS software just won't automatically clear it. Really answer: What you see is the action panel, not the history. Only after pressing the operation panel to record can the history be saved. If you don't record it, it will be cleared automatically when you exit. Follow-up: I don't have any settings, so I still have operation records, such as foreground color and background color. Answer: The foreground and background colors will be preserved. However, your history will never be kept. The first step is to open them. It is out of the question. Like I said above, if there is, you recorded the action. You find some PS elementary books to read. Start with the basics. The grass waits for the wind to blow: some problems can't be completely solved, but your attitude is very serious.