Why is there not enough space for C drive?

Because your temporary files are stored in C: Documents and Settings Administrator Local Settings Temp

When you install anything, a temporary file will be generated, you can empty the temporary folder (sometimes there are files in use, there is no way to delete it, pick the one that can be deleted), or change the temporary folder path to another disk, as shown in the figure, and then restart to delete the things in the original temporary folder of the C drive.

Give it a try! <>

First, turn off System Restore: by clicking "Start All Programs Attachments System Tools System Restore", in the System Restore interface, click "System Restore Settings" to enter the "System Restore Settings" window, and empty the "Turn off System Restore on all drives" checkbox, so that Windows XP will delete the system restore points of the backup, thus freeing up the disk space it occupies.

Second, turn off automatic updates: Right-click on "My Computer Properties Automatic Updates" and select "Turn off automatic updates" in the "Notification Settings" column. I'm going to update the computer manually."

Third, turn off the remote table, by doing: Right-click on "My Computer", select "Properties Remote", and remove "Allow users to remotely connect to this computer" in "Remote Desktop".

Fourth, disable the anti-hibernation function by clicking "Start Control Panel Power Management Hibernation" and uncheck the box before "Enable Hibernation".

Fifth, set the virtual memory reasonably, the method is, the memory capacity is less than 256MB, set it to the times, the maximum value is the same as the minimum value, if it is more than 512MB, it is completely feasible to set it to half of the memory capacity, it is best to move the virtual memory to other drive letters. The method is; Right-click on my computer - Properties - Advanced - Performance Settings - Advanced - Virtual Memory Change - Click on C Drive - Single Select "No Paging File (N)" - Settings", then the virtual memory next to C drive will disappear; Then select the D drive, select "Custom Size" - enter the values in the "Initial Size" and "Maximum" text boxes below - "Settings" - OK - Restart, and the setting is completed.

Sixth, delete redundant documents by as; Utilize the command purgecache to delete on the run.

Seventh, clean up the garbage of the college. The method is; Click Start Control Panel System Advanced Startup and Fault Recovery, clear Write events to log file, and select None from the Write debug information drop-down list.

Use 360 software management - uninstall, delete the software you know (Thunderbolt and the like), and then install it on other disks, I generally put those software that can change the installation directory, install it on the D disk, and I leave at least 7--10G for it on the C disk, and put other things on the EF disk.

The C drive is one of the main partitions of the computer hard disk, which is generally used for storage or installation system use. For a single operating system installed on a local hard disk, it is the default local system boot hard disk.

How to solve the problem of insufficient space on the C drive.