You can but you are running the risk of crashing your entire PC. Unless you know exactly what you are doing, making edits in your registry is a sure road to disaster.
Its better to use a good registry cleaner. Some of them have free trial periods and often that works fine.
You will need to use a good software uninstaller utility. There are a number of good ones like revo uninstaller max/pro and there are other free sites for additional help.
Most complex software will require special removal because of the way it writes keys into the PC registry. First remove it with a good free or trialware software removal tool like those listed in the review article above. Then you may need to follow up with a registry cleaner (or use the one that is built into some of the better software uninstaller utilities mentioned above).
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall
Yes its very necessary to backup first before editing registry. You can also use a system utility software RegInOut.
You have deleted it manually by deleting the folder where the software was installed you can't uninstall. There are two ways you have. First is to use one of those free software to clean your computer. Second is to use regedit and manually clean the registry.
MS standard "Uninstall" will clear out the programme. However, a cleaner that wipes redundant registry files will also help
Registry error occurs when we fail to uninstall a software n that program leave behind its links.The best way to remove these registry errors is to get windows xp registry cleaner.
To delete the registration key of trial version software, you can typically uninstall the software through your system's control panel or settings. After uninstallation, check for any leftover files in the installation directory or in common locations like Program Files. Additionally, you may need to clear the registry entries associated with the software using a registry editor, but be cautious when making changes to the registry. Always back up your registry before making any modifications.
No, XPCleaner is Malware . To clean the malware,uninstall it, delete the registry files manually after disabling System restore and restarting the the computer. If you are not sure to delete files in the registry,just run a free scan wih AVG Trial or microsoft free antivirus software
Type the following text in registry and save it as enable.reg. [.reg is extension for regfiles] REGEDIT4 [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] "DisableRegistryTools"=dword:00000000
When using windows, if you install programs and then subsequently uninstall them, you will often be left with registry errors in windows. These errors can often slow down the performance of your computer. By using software to fix this you can very often free up some hard drive space and improve your computer performance.
Antivirus Software is the best solution, registry repair software can repair registry and clean up the registry rubbish including missing shared DLL files, unused file extension, ActiveX and class files, application paths, redundant registry files, error messages, user action records, redundant DLL files, winzip open history, Winrar to open history, word open historical records, public documents, start menu, file type, system startup entries, uninstall the software item, software application paths, fonts, help file, etc. If not repair and cleaner registry after used the computer a long time, the registry will be bloated, and computer speed will be more slower. The following is ten free registry repair software reviews may be help you! you can reference Top 10 Best Registry Repair Software Reviews, http://www.bestexternalhdd.com/repair/top-10-best-registry-repair-software-reviews.html
Improving system speed through registry editing can be achieved by optimizing certain registry settings. For instance, you can disable unnecessary startup programs by navigating to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run and removing entries for programs you don't need at startup. Additionally, adjusting the HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters value for "MaxCmds" can enhance file sharing performance. However, caution is essential when editing the registry, as incorrect changes can lead to system instability. Always back up the registry before making modifications.
Check your installed program files for Blue Coat to see if there isn't an uninstall option hidden in the folder. A second option is to edit the registry and remove all mention of Blue Coat. This forum posting gives instructions for both methods. I'd look for a program folder first as it's safer than editing he registry.